diff --git a/.github/workflows/create-release.yaml b/.github/workflows/create-release.yaml
index ab29265..7cec7eb 100644
--- a/.github/workflows/create-release.yaml
+++ b/.github/workflows/create-release.yaml
@@ -18,9 +18,9 @@ jobs:
         python-version: [ 3.11 ]
         node-version: [ 18.16.0 ]
 
-        ganache-version: [ 7.8.0 ]
+        ganache-version: [ 7.9.1 ]
 
-        solc-version: [ v0.8.20 ]
+        solc-version: [ v0.8.21 ]
 
     env:
       SOLC_BIN: ${{ github.workspace }}/build/solc-static-linux
diff --git a/.github/workflows/solidity-unittesting.yaml b/.github/workflows/solidity-unittesting.yaml
index d292fd9..e7b728d 100644
--- a/.github/workflows/solidity-unittesting.yaml
+++ b/.github/workflows/solidity-unittesting.yaml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-22.04 ]
-        solc-version: [ 0.8.20 ]
+        solc-version: [ 0.8.21 ]
         chain-fork: [ shanghai ]
         opt-runs: [ 200 ]