diff --git a/.github/workflows/clang-tidy.yml b/.github/workflows/clang-tidy.yml
index 6ee89cce..77758a3d 100644
--- a/.github/workflows/clang-tidy.yml
+++ b/.github/workflows/clang-tidy.yml
@@ -48,7 +48,7 @@ jobs:
       with:
         repo-name: 'Catch2-openmpi'
         repo-path: 'catchorg/Catch2'
-        repo-ref: ''
+        repo-ref: 'v3.11.0'
         cache: true
 
     - name: build kokkos
@@ -82,7 +82,7 @@ jobs:
       with:
         repo-name: 'omega_h-openmpi'
         repo-path: 'SCOREC/omega_h'
-        repo-ref: ''
+        repo-ref: 'scorec-v11.0.0'
         cache: true
         options: '-DCMAKE_CXX_COMPILER=`which mpicxx`
                   -DCMAKE_C_COMPILER=`which mpicc`
@@ -111,7 +111,7 @@ jobs:
       with:
         repo-name: 'perfstubs-openmpi'
         repo-path: 'UO-OACISS/perfstubs'
-        repo-ref: ''
+        repo-ref: 'a1fa3feb1d89214e28047f166500351074b5f0c2'
         cache: true
         options: '-DCMAKE_CXX_COMPILER=mpicxx'
 
@@ -120,7 +120,7 @@ jobs:
       with:
         repo-name: 'kokkos-fortran-interop-openmpi'
         repo-path: 'kokkos/kokkos-fortran-interop'
-        repo-ref: ''
+        repo-ref: 'abae737ce1159c4d7a9165c5629e6f5e6ae91d87'
         cache: true
         options: '-DCMAKE_BUILD_TYPE=Release
                   -DCMAKE_CXX_COMPILER=`which mpicxx`
@@ -152,7 +152,7 @@ jobs:
       if: steps.cache-petsc.outputs.cache-hit != 'true'
       run: |
         cd ${{ runner.temp }}
-        git clone -b release https://gitlab.com/petsc/petsc.git petsc-openmpi
+        git clone -b v3.24.2 https://gitlab.com/petsc/petsc.git petsc-openmpi
         cd petsc-openmpi
         ./configure \
           PETSC_ARCH=ubuntu-kokkos \
@@ -168,7 +168,7 @@ jobs:
       with:
         repo-name: 'redev-openmpi'
         repo-path: 'SCOREC/redev'
-        repo-ref: ''
+        repo-ref: 'v4.3.1'
         cache: true
         options: '-DCMAKE_CXX_COMPILER=`which mpicxx`
                   -DMPIEXEC_EXECUTABLE=`which mpirun`
diff --git a/.github/workflows/cmake-test.yml b/.github/workflows/cmake-test.yml
index deafe8bb..d4807335 100644
--- a/.github/workflows/cmake-test.yml
+++ b/.github/workflows/cmake-test.yml
@@ -48,7 +48,7 @@ jobs:
       with:
         repo-name: 'Catch2'
         repo-path: 'catchorg/Catch2'
-        repo-ref: ''
+        repo-ref: 'v3.11.0'
         cache: true
 
     - name: build kokkos
@@ -82,7 +82,7 @@ jobs:
       with:
         repo-name: 'omega_h'
         repo-path: 'SCOREC/omega_h'
-        repo-ref: ''
+        repo-ref: 'scorec-v11.0.0'
         cache: true
         options: '-DCMAKE_CXX_COMPILER=`which mpicxx`
                   -DCMAKE_C_COMPILER=`which mpicc`
@@ -111,7 +111,7 @@ jobs:
       with:
         repo-name: 'perfstubs'
         repo-path: 'UO-OACISS/perfstubs'
-        repo-ref: ''
+        repo-ref: 'a1fa3feb1d89214e28047f166500351074b5f0c2'
         cache: true
         options: '-DCMAKE_CXX_COMPILER=mpicxx'
 
@@ -120,7 +120,7 @@ jobs:
       with:
         repo-name: 'kokkos-fortran-interop'
         repo-path: 'kokkos/kokkos-fortran-interop'
-        repo-ref: ''
+        repo-ref: 'abae737ce1159c4d7a9165c5629e6f5e6ae91d87'
         cache: true
         options: '-DCMAKE_BUILD_TYPE=Release
                   -DCMAKE_CXX_COMPILER=`which mpicxx`
@@ -145,7 +145,7 @@ jobs:
       with:
         repo-name: 'redev'
         repo-path: 'SCOREC/redev'
-        repo-ref: ''
+        repo-ref: 'v4.3.1'
         cache: true
         options: '-DCMAKE_CXX_COMPILER=`which mpicxx`
                   -DMPIEXEC_EXECUTABLE=`which mpirun`
@@ -165,7 +165,7 @@ jobs:
       if: steps.cache-petsc.outputs.cache-hit != 'true'
       run: |
         cd ${{ runner.temp }}
-        git clone -b release https://gitlab.com/petsc/petsc.git petsc
+        git clone -b v3.24.2 https://gitlab.com/petsc/petsc.git petsc
         cd petsc
         ./configure \
           PETSC_ARCH=ubuntu-kokkos \