diff --git a/templates/tools/dockerfile/test/cxx_gcc_12_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_gcc_14_x64/Dockerfile.template
similarity index 98%
rename from templates/tools/dockerfile/test/cxx_gcc_12_x64/Dockerfile.template
rename to templates/tools/dockerfile/test/cxx_gcc_14_x64/Dockerfile.template
index e2467ca71c7..982abb03189 100644
--- a/templates/tools/dockerfile/test/cxx_gcc_12_x64/Dockerfile.template
+++ b/templates/tools/dockerfile/test/cxx_gcc_14_x64/Dockerfile.template
@@ -14,7 +14,7 @@
   # See the License for the specific language governing permissions and
   # limitations under the License.
   
-  FROM gcc:12
+  FROM gcc:14
   
   RUN apt-get update && apt-get install -y curl git time wget zip && apt-get clean
   <%include file="../../git_avoid_dubious_ownership_error.include"/>
diff --git a/tools/bazelify_tests/dockerimage_current_versions.bzl b/tools/bazelify_tests/dockerimage_current_versions.bzl
index 65e34725123..dccc971862c 100644
--- a/tools/bazelify_tests/dockerimage_current_versions.bzl
+++ b/tools/bazelify_tests/dockerimage_current_versions.bzl
@@ -100,7 +100,7 @@ DOCKERIMAGE_CURRENT_VERSIONS = {
     "tools/dockerfile/test/cxx_debian11_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_debian11_x64@sha256:9f9285da21c1053ac715027e0cee66c20c70ebf016053328a4cee61ffd37e59b",
     "tools/dockerfile/test/cxx_debian11_x86.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_debian11_x86@sha256:3f505ad99e52a4b3337fedb413e883bc8e5c1d9c089299c34002b89e01254d3b",
     "tools/dockerfile/test/cxx_debian12_openssl309_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_debian12_openssl309_x64@sha256:f75bb715c4f9464526f9affb410f7965a0b8894516d7d98cd89a4e165ae065b7",
-    "tools/dockerfile/test/cxx_gcc_12_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_gcc_12_x64@sha256:bbdfe66f27b964f9bfd526646b94a19d904fea52bdb244f32fd4355cc8c4551f",
+    "tools/dockerfile/test/cxx_gcc_14_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_gcc_14_x64@sha256:54685fc729952b689318057a9769edc92247a40d607d01c3517d2644d361cc73",
     "tools/dockerfile/test/cxx_gcc_7_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_gcc_7_x64@sha256:e1925d7f08a7f167c6aab2f8284a3f13b7f3830ba38876e6de1dee2ffd3c7d2f",
     "tools/dockerfile/test/cxx_gcc_8_x64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_gcc_8_x64@sha256:19511527fc3da78344a7ece5f1cf8ba06d928202ba5b3ca039dccb86d1a417fc",
     "tools/dockerfile/test/php8_debian12_arm64.current_version": "docker://us-docker.pkg.dev/grpc-testing/testing-images-public/php8_debian12_arm64@sha256:c220e72b415ad194a41cf5640fe360b9358df1dd34553c8d8e6bfd4a82e032b3",
diff --git a/tools/bazelify_tests/test/portability_tests.bzl b/tools/bazelify_tests/test/portability_tests.bzl
index 363a7e3e361..75cdf581880 100644
--- a/tools/bazelify_tests/test/portability_tests.bzl
+++ b/tools/bazelify_tests/test/portability_tests.bzl
@@ -56,7 +56,7 @@ def generate_run_tests_portability_tests(name):
             # Some gRPC tests have an issue with gcc-7 so gcc-7 portability test won't build any gRPC tests
             ["gcc_7", "--cmake_configure_extra_args=-DgRPC_BUILD_TESTS=OFF", "tools/dockerfile/test/cxx_gcc_7_x64.current_version"],
             ["gcc_8", "", "tools/dockerfile/test/cxx_gcc_8_x64.current_version"],
-            ["gcc_12_cxx20", "--cmake_configure_extra_args=-DCMAKE_CXX_STANDARD=20", "tools/dockerfile/test/cxx_gcc_12_x64.current_version"],
+            ["gcc_14_cxx20", "--cmake_configure_extra_args=-DCMAKE_CXX_STANDARD=20", "tools/dockerfile/test/cxx_gcc_14_x64.current_version"],
             ["gcc10.2_openssl102", "--cmake_configure_extra_args=-DgRPC_SSL_PROVIDER=package", "tools/dockerfile/test/cxx_debian11_openssl102_x64.current_version"],
             ["gcc10.2_openssl111", "--cmake_configure_extra_args=-DgRPC_SSL_PROVIDER=package", "tools/dockerfile/test/cxx_debian11_openssl111_x64.current_version"],
             ["gcc_12_openssl309", "--cmake_configure_extra_args=-DgRPC_SSL_PROVIDER=package", "tools/dockerfile/test/cxx_debian12_openssl309_x64.current_version"],
diff --git a/tools/dockerfile/test/cxx_gcc_12_x64.current_version b/tools/dockerfile/test/cxx_gcc_12_x64.current_version
deleted file mode 100644
index a246f289aca..00000000000
--- a/tools/dockerfile/test/cxx_gcc_12_x64.current_version
+++ /dev/null
@@ -1 +0,0 @@
-us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_gcc_12_x64:c22d1cb6bac0f4a35e3085d2b55fa5556a7c00d3@sha256:bbdfe66f27b964f9bfd526646b94a19d904fea52bdb244f32fd4355cc8c4551f
\ No newline at end of file
diff --git a/tools/dockerfile/test/cxx_gcc_14_x64.current_version b/tools/dockerfile/test/cxx_gcc_14_x64.current_version
new file mode 100644
index 00000000000..fb420dc740c
--- /dev/null
+++ b/tools/dockerfile/test/cxx_gcc_14_x64.current_version
@@ -0,0 +1 @@
+us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_gcc_14_x64:a900526ee74fa55fae28a53ccc92afc31e08e68c@sha256:54685fc729952b689318057a9769edc92247a40d607d01c3517d2644d361cc73
\ No newline at end of file
diff --git a/tools/dockerfile/test/cxx_gcc_12_x64/Dockerfile b/tools/dockerfile/test/cxx_gcc_14_x64/Dockerfile
similarity index 99%
rename from tools/dockerfile/test/cxx_gcc_12_x64/Dockerfile
rename to tools/dockerfile/test/cxx_gcc_14_x64/Dockerfile
index 44a4483bf85..42cdc4c7073 100644
--- a/tools/dockerfile/test/cxx_gcc_12_x64/Dockerfile
+++ b/tools/dockerfile/test/cxx_gcc_14_x64/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM gcc:12
+FROM gcc:14
 
 RUN apt-get update && apt-get install -y curl git time wget zip && apt-get clean
 #=================
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 4a89e6728d0..b47a4a1df6e 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -585,8 +585,6 @@ class CLanguage(object):
                     "-DgRPC_SSL_PROVIDER=package",
                 ],
             )
-        elif compiler == "gcc12":
-            return ("gcc_12", ["-DCMAKE_CXX_STANDARD=20"])
         elif compiler == "gcc12_openssl309":
             return (
                 "debian12_openssl309",
@@ -594,6 +592,8 @@ class CLanguage(object):
                     "-DgRPC_SSL_PROVIDER=package",
                 ],
             )
+        elif compiler == "gcc14":
+            return ("gcc_14", ["-DCMAKE_CXX_STANDARD=20"])
         elif compiler == "gcc_musl":
             return ("alpine", [])
         elif compiler == "clang7":
@@ -1705,8 +1705,8 @@ argp.add_argument(
         "gcc10.2",
         "gcc10.2_openssl102",
         "gcc10.2_openssl111",
-        "gcc12",
         "gcc12_openssl309",
+        "gcc14",
         "gcc_musl",
         "clang7",
         "clang18",
diff --git a/tools/run_tests/run_tests_matrix.py b/tools/run_tests/run_tests_matrix.py
index 1eeb9a5906c..bd7d95e2599 100755
--- a/tools/run_tests/run_tests_matrix.py
+++ b/tools/run_tests/run_tests_matrix.py
@@ -358,8 +358,8 @@ def _create_portability_test_jobs(
         # TODO(b/283304471): Tests using OpenSSL's engine APIs were broken and removed
         "gcc10.2_openssl102",
         "gcc10.2_openssl111",
-        "gcc12",
         "gcc12_openssl309",
+        "gcc14",
         "gcc_musl",
         "clang7",
         "clang18",