diff --git a/WORKSPACE b/WORKSPACE
index 6260b5401f..0af7c4b088 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -77,7 +77,7 @@ new_git_repository(
 ## Re2
 git_repository(
     name = "com_google_re2",
-    tag = "2023-03-01",
+    tag = "2023-07-01",
     remote = "https://github.com/google/re2.git",
 )
 
diff --git a/cmake/dependencies/CMakeLists.txt b/cmake/dependencies/CMakeLists.txt
index ee3380de82..311ad27292 100644
--- a/cmake/dependencies/CMakeLists.txt
+++ b/cmake/dependencies/CMakeLists.txt
@@ -121,8 +121,8 @@ if(BUILD_re2)
   FetchContent_Declare(
     re2
     GIT_REPOSITORY "https://github.com/google/re2.git"
-    GIT_TAG "2023-03-01"
-    #PATCH_COMMAND git apply --ignore-whitespace "${CMAKE_CURRENT_LIST_DIR}/../../patches/re2-2023-03-01.patch"
+    GIT_TAG "2023-07-01"
+    #PATCH_COMMAND git apply --ignore-whitespace "${CMAKE_CURRENT_LIST_DIR}/../../patches/re2-2023-07-01.patch"
   )
   FetchContent_MakeAvailable(re2)
   list(POP_BACK CMAKE_MESSAGE_INDENT)
diff --git a/ortools/lp_data/lp_parser.cc b/ortools/lp_data/lp_parser.cc
index 58286306e5..bd26c019ab 100644
--- a/ortools/lp_data/lp_parser.cc
+++ b/ortools/lp_data/lp_parser.cc
@@ -185,7 +185,7 @@ bool LPParser::ParseIntegerVariablesList(StringPiece line) {
 
 bool LPParser::ParseConstraint(StringPiece constraint) {
   const StatusOr<ParsedConstraint> parsed_constraint_or_status =
-      ::operations_research::glop::ParseConstraint(constraint.as_string());
+      ::operations_research::glop::ParseConstraint(constraint);
   if (!parsed_constraint_or_status.ok()) return false;
   const ParsedConstraint& parsed_constraint =
       parsed_constraint_or_status.value();
@@ -342,10 +342,9 @@ TokenType LPParser::ConsumeToken(StringPiece* sp) {
 
 }  // namespace
 
-StatusOr<ParsedConstraint> ParseConstraint(absl::string_view constraint_view) {
+StatusOr<ParsedConstraint> ParseConstraint(absl::string_view constraint) {
   ParsedConstraint parsed_constraint;
   // Get the name, if present.
-  StringPiece constraint{constraint_view};
   StringPiece constraint_copy{constraint};
   std::string consumed_name;
   Fractional consumed_coeff;
@@ -413,8 +412,8 @@ StatusOr<ParsedConstraint> ParseConstraint(absl::string_view constraint_view) {
     right_bound = consumed_coeff;
     if (ConsumeToken(&constraint, &consumed_name, &consumed_coeff) !=
         TokenType::END) {
-      return absl::InvalidArgumentError(absl::StrCat(
-          "End of input was expected, found: ", constraint.as_string()));
+      return absl::InvalidArgumentError(
+          absl::StrCat("End of input was expected, found: ", constraint));
     }
   }
 
diff --git a/patches/BUILD.bazel b/patches/BUILD.bazel
index c4edd40a17..faa1885374 100644
--- a/patches/BUILD.bazel
+++ b/patches/BUILD.bazel
@@ -12,7 +12,6 @@
 # limitations under the License.
 
 exports_files([
-    "re2-2023-03-01.patch",
     "protobuf-v23.3.patch",
     "pybind11_bazel.patch",
     "pybind11_protobuf.patch",
diff --git a/patches/re2-2023-03-01.patch b/patches/re2-2023-03-01.patch
deleted file mode 100644
index e3b4be698a..0000000000
--- a/patches/re2-2023-03-01.patch
+++ /dev/null
@@ -1,48 +0,0 @@
-diff --git a/re2/stringpiece.h b/re2/stringpiece.h
-index 1d9c2d3..b9d6661 100644
---- a/re2/stringpiece.h
-+++ b/re2/stringpiece.h
-@@ -19,18 +19,13 @@
- //
- // Arghh!  I wish C++ literals were "string".
- 
--// Doing this simplifies the logic below.
--#ifndef __has_include
--#define __has_include(x) 0
--#endif
--
- #include <stddef.h>
- #include <string.h>
- #include <algorithm>
- #include <iosfwd>
- #include <iterator>
- #include <string>
--#if __has_include(<string_view>) && __cplusplus >= 201703L
-+#ifdef __cpp_lib_string_view
- #include <string_view>
- #endif
- 
-@@ -57,7 +52,7 @@ class StringPiece {
-   // expected.
-   StringPiece()
-       : data_(NULL), size_(0) {}
--#if __has_include(<string_view>) && __cplusplus >= 201703L
-+#ifdef __cpp_lib_string_view
-   StringPiece(const std::string_view& str)
-       : data_(str.data()), size_(str.size()) {}
- #endif
-@@ -103,6 +98,14 @@ class StringPiece {
-     size_ = len;
-   }
- 
-+#ifdef __cpp_lib_string_view
-+  // Converts to `std::basic_string_view`.
-+  operator std::basic_string_view<char, traits_type>() const {
-+    if (!data_) return {};
-+    return std::basic_string_view<char, traits_type>(data_, size_);
-+  }
-+#endif
-+
-   // Converts to `std::basic_string`.
-   template <typename A>
-   explicit operator std::basic_string<char, traits_type, A>() const {