diff --git a/.github/workflows/linux-32bit-build-and-test.yaml b/.github/workflows/linux-32bit-build-and-test.yaml
index 810a50e3281..fe81a9dfc7b 100644
--- a/.github/workflows/linux-32bit-build-and-test.yaml
+++ b/.github/workflows/linux-32bit-build-and-test.yaml
@@ -87,7 +87,7 @@ jobs:
       uses: actions/cache@v3
       with:
         path: ~/${{ env.PG_SRC_DIR }}
-        key: "linux-32-bit-postgresql-${{ matrix.pg }}\
+        key: "linux-32-bit-postgresql-${{ matrix.pg }}-${{ matrix.cc }}\
           -${{ steps.get-date.outputs.date }}-${{ hashFiles('.github/**') }}"
 
     - name: Build PostgreSQL ${{ matrix.pg }}
diff --git a/.github/workflows/linux-build-and-test.yaml b/.github/workflows/linux-build-and-test.yaml
index 033efcf76ca..49aaa9d5d8b 100644
--- a/.github/workflows/linux-build-and-test.yaml
+++ b/.github/workflows/linux-build-and-test.yaml
@@ -99,7 +99,7 @@ jobs:
       uses: actions/cache@v3
       with:
         path: ~/${{ env.PG_SRC_DIR }}
-        key: "${{ matrix.os }}-postgresql-${{ matrix.pg }}\
+        key: "${{ matrix.os }}-postgresql-${{ matrix.pg }}-${{ matrix.cc }}\
           -${{ steps.get-date.outputs.date }}-${{ hashFiles('.github/**') }}${{ env.CACHE_SUFFIX }}"
 
     - name: Build PostgreSQL ${{ matrix.pg }}${{ matrix.snapshot }}
diff --git a/.github/workflows/sanitizer-build-and-test.yaml b/.github/workflows/sanitizer-build-and-test.yaml
index 5bbf8ccd968..0abf96b6ea1 100644
--- a/.github/workflows/sanitizer-build-and-test.yaml
+++ b/.github/workflows/sanitizer-build-and-test.yaml
@@ -104,7 +104,7 @@ jobs:
       uses: actions/cache@v3
       with:
         path: ~/${{ env.PG_SRC_DIR }}
-        key: "${{ matrix.os }}-${{ env.name }}-postgresql-${{ matrix.pg }}\
+        key: "${{ matrix.os }}-${{ env.name }}-postgresql-${{ matrix.pg }}-${{ env.CC }}\
           -${{ steps.get-date.outputs.date }}-${{ hashFiles('.github/**') }}"
 
     - name: Build PostgreSQL ${{ matrix.pg }} if not in cache