diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 933f017..194fe7a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -60,7 +60,7 @@ jobs:
           sudo apt-get -y install git autoconf libtool libtool-bin automake build-essential gettext cmake python3 curl
       - name: Cache Mono Sources
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources
@@ -134,7 +134,7 @@ jobs:
           sudo apt-get -y install mingw-w64 libz-mingw-w64-dev
       - name: Cache Mono Sources
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources
@@ -198,7 +198,7 @@ jobs:
           brew install autoconf automake libtool pkg-config cmake python3
       - name: Cache Mono Sources
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources
@@ -262,7 +262,7 @@ jobs:
           brew install autoconf automake libtool pkg-config cmake python3
       - name: Cache Mono Sources
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources
@@ -332,7 +332,7 @@ jobs:
           brew install autoconf automake libtool pkg-config cmake python3
       - name: Cache Mono Sources
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources
@@ -430,7 +430,7 @@ jobs:
           echo "::set-env name=ANDROID_NDK_ROOT::$ANDROID_SDK_ROOT/ndk-bundle"
       - name: Cache Mono Sources
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources
@@ -560,7 +560,7 @@ jobs:
           echo "::set-env name=ANDROID_NDK_ROOT::$ANDROID_SDK_ROOT/ndk-bundle"
       - name: Cache Mono Sources
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources
@@ -647,7 +647,7 @@ jobs:
           sudo apt-get -y install git autoconf libtool libtool-bin automake build-essential gettext cmake python3 curl
       - name: Cache Mono Sources
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources
@@ -720,7 +720,7 @@ jobs:
     steps:
       - name: Cache LLVM
         id: cache_llvm
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ~/mono-installs/llvm-${{ matrix.target }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-llvm-${{ matrix.target }}
@@ -743,7 +743,7 @@ jobs:
       - name: Cache Mono Sources
         if: steps.cache_llvm.outputs.cache-hit != 'true'
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources
@@ -807,7 +807,7 @@ jobs:
           sudo apt-get -y install git autoconf libtool libtool-bin automake build-essential gettext cmake python3 curl
       - name: Cache Mono Sources
         id: cache_mono_sources
-        uses: actions/cache@v1
+        uses: actions/cache@v1.2.0
         with:
           path: ${{ env.MONO_SOURCE_ROOT }}
           key: ${{ runner.os }}-${{ env.MONO_TAG }}-mono-sources