diff --git a/.github/workflows/benchmark-action.yaml b/.github/workflows/benchmark-action.yaml
index 8a8beaa12..1ec9c52ab 100644
--- a/.github/workflows/benchmark-action.yaml
+++ b/.github/workflows/benchmark-action.yaml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v3.5.2
       - uses: actions/setup-go@v4 # default version of go is 1.10
         with:
-          go-version: 1.20.4
+          go-version: 1.20.5
       - name: Install Carvel Tools
         run: ./hack/install-deps.sh
       # Run benchmark with `go test -bench` and stores the output to a file
diff --git a/.github/workflows/dependency-updater.yml b/.github/workflows/dependency-updater.yml
index 4bc2c3720..5b1e47b5a 100644
--- a/.github/workflows/dependency-updater.yml
+++ b/.github/workflows/dependency-updater.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.4
+          go-version: 1.20.5
       - name: Update Dependencies File
         run: go run ./hack/dependencies.go update
       - name: Create Pull Request
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index 765a6daed..ce6cd7ae2 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.4
+          go-version: 1.20.5
       - uses: actions/checkout@v3.5.2
         with:
           fetch-depth: '0'
diff --git a/.github/workflows/release-process.yml b/.github/workflows/release-process.yml
index ca484cf37..e3bcfe39e 100644
--- a/.github/workflows/release-process.yml
+++ b/.github/workflows/release-process.yml
@@ -35,7 +35,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.4
+          go-version: 1.20.5
 
       - name: Run release script
         run: |
diff --git a/.github/workflows/test-gh.yml b/.github/workflows/test-gh.yml
index 20724900d..16d93736c 100644
--- a/.github/workflows/test-gh.yml
+++ b/.github/workflows/test-gh.yml
@@ -26,7 +26,7 @@ jobs:
     - name: Set up Go 1.x
       uses: actions/setup-go@v4
       with:
-        go-version: 1.20.4
+        go-version: 1.20.5
     - name: Check out code
       uses: actions/checkout@v3.5.2
       with:
diff --git a/.github/workflows/test-kctrl-gh.yml b/.github/workflows/test-kctrl-gh.yml
index c8f28dbd3..cc6997b0c 100644
--- a/.github/workflows/test-kctrl-gh.yml
+++ b/.github/workflows/test-kctrl-gh.yml
@@ -24,7 +24,7 @@ jobs:
     - name: Set up Go 1.x
       uses: actions/setup-go@v4
       with:
-        go-version: 1.20.4
+        go-version: 1.20.5
     - name: Check out code
       uses: actions/checkout@v3.5.2
       with:
diff --git a/.github/workflows/trivy-scan.yml b/.github/workflows/trivy-scan.yml
index 98d448457..834036367 100644
--- a/.github/workflows/trivy-scan.yml
+++ b/.github/workflows/trivy-scan.yml
@@ -70,7 +70,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.4
+          go-version: 1.20.5
       - name: Build the kapp-controller artifacts
         run: |
           ./hack/install-deps.sh
diff --git a/.github/workflows/upgrade-testing.yml b/.github/workflows/upgrade-testing.yml
index de7650845..f29cdd10b 100644
--- a/.github/workflows/upgrade-testing.yml
+++ b/.github/workflows/upgrade-testing.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.4
+          go-version: 1.20.5
       - name: Check out code
         uses: actions/checkout@v3.5.2
       - name: Install Carvel Tools
diff --git a/Dockerfile b/Dockerfile
index aaa6b0dd4..20400f917 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.20.4 AS deps
+FROM --platform=$BUILDPLATFORM golang:1.20.5 AS deps
 
 ARG TARGETOS TARGETARCH KCTRL_VER=development
 WORKDIR /workspace