diff --git a/.github/workflows/macosx-clang-build.yml b/.github/workflows/macosx-clang-build.yml
index c739c6b2a..0c13865f0 100644
--- a/.github/workflows/macosx-clang-build.yml
+++ b/.github/workflows/macosx-clang-build.yml
@@ -18,6 +18,7 @@ jobs:
       - name: install dependencies
         run: |
           brew install pkg-config
+          brew install autoconf
 
       - name: get cmake
         uses: lukka/get-cmake@latest
diff --git a/.github/workflows/pvs-studio.yml b/.github/workflows/pvs-studio.yml
index ca8110101..16c73488d 100644
--- a/.github/workflows/pvs-studio.yml
+++ b/.github/workflows/pvs-studio.yml
@@ -13,10 +13,11 @@ jobs:
     steps:
       - uses: actions/checkout@v1
 
-      - name: install updates
+      - name: install dependencies
         run: |
           sudo apt install gcc-11
           sudo apt install g++-11
+          sudo apt install autoconf
 
       - name: installing pvs-studio
         run: |
diff --git a/.github/workflows/ubuntu-gcc-build.yml b/.github/workflows/ubuntu-gcc-build.yml
index 8909436f3..f3fe49e44 100644
--- a/.github/workflows/ubuntu-gcc-build.yml
+++ b/.github/workflows/ubuntu-gcc-build.yml
@@ -11,10 +11,11 @@ jobs:
     steps:
       - uses: actions/checkout@v1
 
-      - name: install updates
+      - name: install dependencies
         run: |
           sudo apt install gcc-11
           sudo apt install g++-11
+          sudo apt install autoconf
 
       - name: get cmake
         uses: lukka/get-cmake@latest