diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index eb4582abebb..7d32d067261 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -824,6 +824,7 @@ jobs:
         with:
           key: "${{github.job}}-${{hashFiles('php/main/php_version.h')}}"
           append-timestamp: false
+          save: ${{ github.event_name != 'pull_request' }}
       - name: build PHP
         run: |
           cd php
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 4b645cdce27..d96748acecc 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -116,6 +116,7 @@ jobs:
           # job id, not the job name)
           key: "LINUX_X64_${{ matrix.debug && 'DEBUG' || 'RELEASE' }}_${{ matrix.zts && 'ZTS' || 'NTS' }}${{ matrix.asan && '_ASAN' || '' }}-${{hashFiles('main/php_version.h')}}"
           append-timestamp: false
+          save: ${{ github.event_name != 'pull_request' }}
       - name: ./configure
         uses: ./.github/actions/configure-x64
         with:
@@ -170,6 +171,7 @@ jobs:
         with:
           key: "${{github.job}}-${{matrix.os}}-${{hashFiles('main/php_version.h')}}"
           append-timestamp: false
+          save: ${{ github.event_name != 'pull_request' }}
       - name: ./configure
         uses: ./.github/actions/configure-macos
         with:
@@ -246,6 +248,7 @@ jobs:
         with:
           key: "${{github.job}}-${{hashFiles('main/php_version.h')}}"
           append-timestamp: false
+          save: ${{ github.event_name != 'pull_request' }}
       - name: ./configure
         run: |
           set -x