diff --git a/.travis/script.sh b/.travis/script.sh
index b8841d34e7..3216fd761e 100755
--- a/.travis/script.sh
+++ b/.travis/script.sh
@@ -231,10 +231,10 @@ fi
 #############
 if [ "${BUILDER}" == bazel ]; then
   echo 'travis_fold:start:build'
-  bazel build --curses=no --copt='-Wno-sign-compare' //...:all
+  bazel build --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
   echo 'travis_fold:end:build'
 
   echo 'travis_fold:start:test'
-  bazel test -c opt --curses=no --copt='-Wno-sign-compare' //...:all
+  bazel test -c opt --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
   echo 'travis_fold:end:test'
 fi
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5a28f8dbdd..bd04ab7dd3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,6 +47,10 @@ message(STATUS "${PROJECT_NAME} version: ${PROJECT_VERSION}")
 #message(STATUS "minor: ${PROJECT_VERSION_MINOR}")
 #message(STATUS "patch: ${PROJECT_VERSION_PATCH}")
 
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
 # Default Build Type to be Release
 if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE "Release" CACHE STRING
diff --git a/bazel/README.md b/bazel/README.md
index bf75a8795c..c3950f4b5f 100644
--- a/bazel/README.md
+++ b/bazel/README.md
@@ -28,5 +28,10 @@ OR-Tools depends on severals mandatory libraries.
 * Google Gtest,
 * GLPK (GNU Linear Programming Kit)
 
+## Compilation
+You must compile OR-Tools using C++17:
+* on UNIX: `--cxxopt=-std=c++17`
+* on Windows when using MSVC: `--cxxopt="-std:c++17"`
+
 ## [Integrating OR-Tools in your Bazel Project](#integration)
 TODO
diff --git a/bazel/docker/alpine/Dockerfile b/bazel/docker/alpine/Dockerfile
index e0d59cd882..d2780c28af 100644
--- a/bazel/docker/alpine/Dockerfile
+++ b/bazel/docker/alpine/Dockerfile
@@ -13,7 +13,7 @@ WORKDIR /home/lib
 COPY . .
 
 FROM devel as build
-RUN bazel build --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel build --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
 
 FROM build as test
-RUN bazel test -c opt --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel test -c opt --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
diff --git a/bazel/docker/archlinux/Dockerfile b/bazel/docker/archlinux/Dockerfile
index 822e0ebfff..fc82d70bba 100644
--- a/bazel/docker/archlinux/Dockerfile
+++ b/bazel/docker/archlinux/Dockerfile
@@ -12,7 +12,7 @@ WORKDIR /home/lib
 COPY . .
 
 FROM devel as build
-RUN bazel build --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel build --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
 
 FROM build as test
-RUN bazel test -c opt --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel test -c opt --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
diff --git a/bazel/docker/centos/Dockerfile b/bazel/docker/centos/Dockerfile
index 5116b7f591..2bfd6120c2 100644
--- a/bazel/docker/centos/Dockerfile
+++ b/bazel/docker/centos/Dockerfile
@@ -23,7 +23,7 @@ WORKDIR /home/lib
 COPY . .
 
 FROM devel as build
-RUN bazel build --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel build --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
 
 FROM build as test
-RUN bazel test -c opt --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel test -c opt --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
diff --git a/bazel/docker/debian/Dockerfile b/bazel/docker/debian/Dockerfile
index 5f95e985ba..ee4f2912ad 100644
--- a/bazel/docker/debian/Dockerfile
+++ b/bazel/docker/debian/Dockerfile
@@ -24,7 +24,7 @@ WORKDIR /home/lib
 COPY . .
 
 FROM devel as build
-RUN bazel build --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel build --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
 
 FROM build as test
-RUN bazel test -c opt --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel test -c opt --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
diff --git a/bazel/docker/fedora/Dockerfile b/bazel/docker/fedora/Dockerfile
index 7bfe4012ec..2061196573 100644
--- a/bazel/docker/fedora/Dockerfile
+++ b/bazel/docker/fedora/Dockerfile
@@ -19,7 +19,7 @@ WORKDIR /home/lib
 COPY . .
 
 FROM devel as build
-RUN bazel build --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel build --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
 
 FROM build as test
-RUN bazel test -c opt --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel test -c opt --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
diff --git a/bazel/docker/opensuse/Dockerfile b/bazel/docker/opensuse/Dockerfile
index 8ab0ee11e5..e326434a66 100644
--- a/bazel/docker/opensuse/Dockerfile
+++ b/bazel/docker/opensuse/Dockerfile
@@ -15,7 +15,7 @@ WORKDIR /home/lib
 COPY . .
 
 FROM devel as build
-RUN bazel build --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel build --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
 
 FROM build as test
-RUN bazel test -c opt --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel test -c opt --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
diff --git a/bazel/docker/ubuntu/Dockerfile b/bazel/docker/ubuntu/Dockerfile
index c66160027f..4bf0616da3 100644
--- a/bazel/docker/ubuntu/Dockerfile
+++ b/bazel/docker/ubuntu/Dockerfile
@@ -27,7 +27,7 @@ WORKDIR /home/lib
 COPY . .
 
 FROM devel as build
-RUN bazel build --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel build --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
 
 FROM build as test
-RUN bazel test -c opt --curses=no --copt='-Wno-sign-compare' //...:all
+RUN bazel test -c opt --curses=no --cxxopt=-std=c++17 --copt='-Wno-sign-compare' //...:all
diff --git a/cmake/cpp.cmake b/cmake/cpp.cmake
index e2afbf6f31..6499c1275b 100644
--- a/cmake/cpp.cmake
+++ b/cmake/cpp.cmake
@@ -184,11 +184,11 @@ target_include_directories(${PROJECT_NAME} INTERFACE
 
 # Compile options
 set_target_properties(${PROJECT_NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   )
-target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_11)
+target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_17)
 target_compile_definitions(${PROJECT_NAME} PUBLIC ${OR_TOOLS_COMPILE_DEFINITIONS})
 target_compile_options(${PROJECT_NAME} PUBLIC ${OR_TOOLS_COMPILE_OPTIONS})
 
@@ -277,7 +277,7 @@ endforeach()
 #add_library(${PROJECT_NAME}_proto STATIC ${PROTO_SRCS} ${PROTO_HDRS})
 add_library(${PROJECT_NAME}_proto OBJECT ${PROTO_SRCS} ${PROTO_HDRS})
 set_target_properties(${PROJECT_NAME}_proto PROPERTIES POSITION_INDEPENDENT_CODE ON)
-set_target_properties(${PROJECT_NAME}_proto PROPERTIES CXX_STANDARD 11)
+set_target_properties(${PROJECT_NAME}_proto PROPERTIES CXX_STANDARD 17)
 set_target_properties(${PROJECT_NAME}_proto PROPERTIES CXX_STANDARD_REQUIRED ON)
 set_target_properties(${PROJECT_NAME}_proto PROPERTIES CXX_EXTENSIONS OFF)
 target_include_directories(${PROJECT_NAME}_proto PRIVATE
diff --git a/cmake/dependencies/CMakeLists.txt b/cmake/dependencies/CMakeLists.txt
index 8146121143..c2749866af 100644
--- a/cmake/dependencies/CMakeLists.txt
+++ b/cmake/dependencies/CMakeLists.txt
@@ -167,6 +167,9 @@ if(BUILD_Protobuf)
   message(CHECK_PASS "fetched")
 endif()
 
+# Coin-OR does not support C++17 (use of 'register' storage class specifier)
+set(CMAKE_CXX_STANDARD 11)
+
 # ##############################################################################
 # Coinutils
 # ##############################################################################
@@ -241,3 +244,5 @@ if(BUILD_Cbc)
   list(POP_BACK CMAKE_MESSAGE_INDENT)
   message(CHECK_PASS "fetched")
 endif()
+
+set(CMAKE_CXX_STANDARD 17)
diff --git a/cmake/samples/cpp/CMakeLists.txt b/cmake/samples/cpp/CMakeLists.txt
index b8b0489bf0..b51b0f5d61 100644
--- a/cmake/samples/cpp/CMakeLists.txt
+++ b/cmake/samples/cpp/CMakeLists.txt
@@ -5,7 +5,7 @@ include(CTest)
 find_package(ortools CONFIG REQUIRED)
 
 add_executable(sample main.cpp)
-target_compile_features(sample PUBLIC cxx_std_11)
+target_compile_features(sample PUBLIC cxx_std_17)
 set_target_properties(sample PROPERTIES VERSION ${PROJECT_VERSION})
 target_link_libraries(sample PRIVATE ortools::ortools)
 
diff --git a/examples/cpp/CMakeLists.txt b/examples/cpp/CMakeLists.txt
index 4ef8845a49..5b739e4b7f 100644
--- a/examples/cpp/CMakeLists.txt
+++ b/examples/cpp/CMakeLists.txt
@@ -54,7 +54,7 @@ foreach(EXECUTABLE
   weighted_tardiness_sat)
   add_executable(${EXECUTABLE} ${EXECUTABLE}.cc)
   target_include_directories(${EXECUTABLE} PUBLIC ${PARENT_SOURCE_DIR})
-  target_compile_features(${EXECUTABLE} PRIVATE cxx_std_11)
+  target_compile_features(${EXECUTABLE} PRIVATE cxx_std_17)
   target_link_libraries(${EXECUTABLE} PRIVATE ortools::ortools)
   set_target_properties(${EXECUTABLE} PROPERTIES
     INSTALL_RPATH_USE_LINK_PATH TRUE)
diff --git a/makefiles/Makefile.third_party.unix.mk b/makefiles/Makefile.third_party.unix.mk
index cadaa3381d..1f5b7b417e 100644
--- a/makefiles/Makefile.third_party.unix.mk
+++ b/makefiles/Makefile.third_party.unix.mk
@@ -358,6 +358,8 @@ build_absl: dependencies/install/lib/libabsl.$L
 dependencies/install/lib/libabsl.$L: dependencies/sources/abseil-cpp-$(ABSL_TAG) | dependencies/install
 	cd dependencies/sources/abseil-cpp-$(ABSL_TAG) && \
   $(SET_COMPILER) $(CMAKE) -H. -Bbuild_cmake \
+    -DCMAKE_CXX_STANDARD=17 \
+    -DCMAKE_CXX_STANDARD_REQUIRED=ON \
     -DCMAKE_PREFIX_PATH="$(OR_TOOLS_TOP)/dependencies/install" \
     -DBUILD_SHARED_LIBS=OFF \
     -DBUILD_STATIC_LIBS=ON \
diff --git a/makefiles/Makefile.third_party.win.mk b/makefiles/Makefile.third_party.win.mk
index 90b9a39b77..15c4413835 100644
--- a/makefiles/Makefile.third_party.win.mk
+++ b/makefiles/Makefile.third_party.win.mk
@@ -403,6 +403,8 @@ dependencies/install/lib/absl.lib: dependencies/sources/abseil-cpp-$(ABSL_TAG) |
 	cd dependencies\sources\abseil-cpp-$(ABSL_TAG) && \
   set MAKEFLAGS= && \
   "$(CMAKE)" -H. -Bbuild_cmake \
+    -DCMAKE_CXX_STANDARD=17 \
+    -DCMAKE_CXX_STANDARD_REQUIRED=ON \
     -DCMAKE_PREFIX_PATH=..\..\install \
     -DCMAKE_BUILD_TYPE=Release \
     -DBUILD_SHARED_LIBS=OFF \
diff --git a/makefiles/Makefile.unix.mk b/makefiles/Makefile.unix.mk
index 754624db38..7531bd534c 100644
--- a/makefiles/Makefile.unix.mk
+++ b/makefiles/Makefile.unix.mk
@@ -116,7 +116,7 @@ DEBUG = -O4 -DNDEBUG
 JNIDEBUG = -O1 -DNDEBUG
 
 ifeq ($(PLATFORM),LINUX)
-  CCC = g++ -fPIC -std=c++11 -fwrapv
+  CCC = g++ -fPIC -std=c++17 -fwrapv
   DYNAMIC_LD = g++ -shared
   DYNAMIC_LDFLAGS = -Wl,-rpath,\"\\\$$\$$ORIGIN\"
 
@@ -133,7 +133,7 @@ ifeq ($(PLATFORM),LINUX)
   ifdef UNIX_XPRESS_DIR
     XPRESS_LNK = -L$(UNIX_XPRESS_DIR)/lib -lxprs -lxprl
   endif
-    
+
   SYS_LNK = -lrt -lpthread -Wl,--no-as-needed -ldl
   JAVA_INC = -I$(JAVA_HOME)/include -I$(JAVA_HOME)/include/linux
   JAVAC_BIN = $(shell $(WHICH) $(JAVA_HOME)/bin/javac)
@@ -161,7 +161,7 @@ ifeq ($(PLATFORM),LINUX)
 endif  # ifeq ($(PLATFORM),LINUX)
 ifeq ($(PLATFORM),MACOSX)
   MAC_VERSION = -mmacosx-version-min=$(MAC_MIN_VERSION)
-  CCC = clang++ -fPIC -std=c++11  $(MAC_VERSION) -stdlib=libc++
+  CCC = clang++ -fPIC -std=c++17  $(MAC_VERSION) -stdlib=libc++
   DYNAMIC_LD = clang++ -dynamiclib -undefined dynamic_lookup \
  -Wl,-search_paths_first \
  -Wl,-headerpad_max_install_names \
diff --git a/makefiles/Makefile.win.mk b/makefiles/Makefile.win.mk
index e0f1e77ebe..622aa3aeab 100644
--- a/makefiles/Makefile.win.mk
+++ b/makefiles/Makefile.win.mk
@@ -97,7 +97,7 @@ TASKKILL = taskkill
 
 # Compilation macros.
 DEBUG=/O2 -DNDEBUG
-CCC=cl /EHsc /MD /nologo -nologo $(SYSCFLAGS) /D__WIN32__ /DPSAPI_VERSION=1 \
+CCC=cl /std:c++17 /EHsc /MD /nologo -nologo $(SYSCFLAGS) /D__WIN32__ /DPSAPI_VERSION=1 \
  /DNOMINMAX /DWIN32_LEAN_AND_MEAN=1 /D_CRT_SECURE_NO_WARNINGS
 
 PYTHON_VERSION = $(WINDOWS_PYTHON_VERSION)
diff --git a/ortools/algorithms/CMakeLists.txt b/ortools/algorithms/CMakeLists.txt
index 0750e8823d..b0550cb8e3 100644
--- a/ortools/algorithms/CMakeLists.txt
+++ b/ortools/algorithms/CMakeLists.txt
@@ -10,7 +10,7 @@ set(NAME ${PROJECT_NAME}_algorithms)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/base/CMakeLists.txt b/ortools/base/CMakeLists.txt
index bc944cc276..b36dfdebee 100644
--- a/ortools/base/CMakeLists.txt
+++ b/ortools/base/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_base)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/bop/CMakeLists.txt b/ortools/bop/CMakeLists.txt
index 2fbb2c374f..f3571ad95a 100644
--- a/ortools/bop/CMakeLists.txt
+++ b/ortools/bop/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_bop)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/constraint_solver/CMakeLists.txt b/ortools/constraint_solver/CMakeLists.txt
index f64e2b2b19..0b49121067 100644
--- a/ortools/constraint_solver/CMakeLists.txt
+++ b/ortools/constraint_solver/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_constraint_solver)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/data/CMakeLists.txt b/ortools/data/CMakeLists.txt
index 5f8d83690d..462bcafb4e 100644
--- a/ortools/data/CMakeLists.txt
+++ b/ortools/data/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_data)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/glop/CMakeLists.txt b/ortools/glop/CMakeLists.txt
index d9043e340d..3a10af3b17 100644
--- a/ortools/glop/CMakeLists.txt
+++ b/ortools/glop/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_glop)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/graph/CMakeLists.txt b/ortools/graph/CMakeLists.txt
index d1d2a7c641..eec5d6c566 100644
--- a/ortools/graph/CMakeLists.txt
+++ b/ortools/graph/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_graph)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/linear_solver/CMakeLists.txt b/ortools/linear_solver/CMakeLists.txt
index c3a6e6c441..aa1f0a01f2 100644
--- a/ortools/linear_solver/CMakeLists.txt
+++ b/ortools/linear_solver/CMakeLists.txt
@@ -10,7 +10,7 @@ set(NAME ${PROJECT_NAME}_linear_solver)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/lp_data/CMakeLists.txt b/ortools/lp_data/CMakeLists.txt
index f80c12c4b7..90631b0488 100644
--- a/ortools/lp_data/CMakeLists.txt
+++ b/ortools/lp_data/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_lp_data)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/port/CMakeLists.txt b/ortools/port/CMakeLists.txt
index 1157bfbbd9..ff5425b1e7 100644
--- a/ortools/port/CMakeLists.txt
+++ b/ortools/port/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_port)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/sat/CMakeLists.txt b/ortools/sat/CMakeLists.txt
index 06e38147e3..05288345fd 100644
--- a/ortools/sat/CMakeLists.txt
+++ b/ortools/sat/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_sat)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON
diff --git a/ortools/util/CMakeLists.txt b/ortools/util/CMakeLists.txt
index 3ffbec8023..8455d9c75c 100644
--- a/ortools/util/CMakeLists.txt
+++ b/ortools/util/CMakeLists.txt
@@ -5,7 +5,7 @@ set(NAME ${PROJECT_NAME}_util)
 #add_library(${NAME} STATIC ${_SRCS})
 add_library(${NAME} OBJECT ${_SRCS})
 set_target_properties(${NAME} PROPERTIES
-  CXX_STANDARD 11
+  CXX_STANDARD 17
   CXX_STANDARD_REQUIRED ON
   CXX_EXTENSIONS OFF
   POSITION_INDEPENDENT_CODE ON