diff --git a/.github/workflows/contrib.yml b/.github/workflows/contrib.yml
index 5756c5136dd..e89c74dcd8c 100644
--- a/.github/workflows/contrib.yml
+++ b/.github/workflows/contrib.yml
@@ -23,7 +23,7 @@ jobs:
     - name: Install mdbook
       run: |
         mkdir mdbook
-        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.40/mdbook-v0.4.40-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
+        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.43/mdbook-v0.4.43-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
         echo `pwd`/mdbook >> $GITHUB_PATH
     - name: Deploy docs
       run: |
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dddbee956e1..40d6ed5d357 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -101,7 +101,7 @@ jobs:
       - name: Install cargo-semver-checks
         run: |
           mkdir installed-bins
-          curl -Lf https://github.com/obi1kenobi/cargo-semver-checks/releases/download/v0.35.0/cargo-semver-checks-x86_64-unknown-linux-gnu.tar.gz \
+          curl -Lf https://github.com/obi1kenobi/cargo-semver-checks/releases/download/v0.36.0/cargo-semver-checks-x86_64-unknown-linux-gnu.tar.gz \
             | tar -xz --directory=./installed-bins
           echo `pwd`/installed-bins >> $GITHUB_PATH
       - run: ci/validate-version-bump.sh
@@ -250,7 +250,7 @@ jobs:
     - name: Install mdbook
       run: |
         mkdir mdbook
-        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.40/mdbook-v0.4.40-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
+        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.43/mdbook-v0.4.43-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
         echo `pwd`/mdbook >> $GITHUB_PATH
     - run: cd src/doc && mdbook build --dest-dir ../../target/doc
     - name: Run linkchecker.sh