diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 4d477ca..4d5d691 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -5,14 +5,14 @@ on:
     branches:
     - 'main'
 env:
-  go-version: "1.21"
+  go-version: "1.22"
 jobs:
   test:
     name: Small tests
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-go@v4
+    - uses: actions/setup-go@v5
       with:
         go-version: ${{ env.go-version }}
     - run: make test
diff --git a/.github/workflows/mdbook.yaml b/.github/workflows/mdbook.yaml
index 8cabeae..5ba8505 100644
--- a/.github/workflows/mdbook.yaml
+++ b/.github/workflows/mdbook.yaml
@@ -11,7 +11,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - run: make book
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: book
         path: docs/book
@@ -26,7 +26,7 @@ jobs:
         ref: gh-pages
     # do not remove helm chart related files if present
     - run: ls | grep -v -E "index.yaml|.*\.tgz" | xargs rm -rf
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         name: book
     - run: git add .
diff --git a/Makefile b/Makefile
index 22b6098..a209ec8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 BIN_DIR := $(shell pwd)/bin
 
 # Tool versions
-MDBOOK_VERSION = 0.4.35
+MDBOOK_VERSION = 0.4.37
 MDBOOK := $(BIN_DIR)/mdbook
 
 # Test tools