diff --git a/.github/workflows/horizon-release.yml b/.github/workflows/horizon-release.yml
index 9f6e62272f..bcc76309c8 100644
--- a/.github/workflows/horizon-release.yml
+++ b/.github/workflows/horizon-release.yml
@@ -22,7 +22,7 @@ jobs:
 
       - uses: ./.github/actions/setup-go
         with:
-          go-version: 1.20
+          go-version: "1.20"
 
       - name: Check dependencies
         run: ./gomod.sh
diff --git a/.github/workflows/horizon.yml b/.github/workflows/horizon.yml
index d5c25537d2..efe06ab996 100644
--- a/.github/workflows/horizon.yml
+++ b/.github/workflows/horizon.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04]
-        go: [1.19, 1.20]
+        go: ["1.19", "1.20"]
         pg: [9.6.5]
         ingestion-backend: [db, captive-core, captive-core-remote-storage]
         protocol-version: [19, 20]