diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cfa512043..67776ea9f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -60,7 +60,7 @@ jobs:
       - name: Compile
         env:
           HQ_BUILD_VERSION: ${{ needs.set-env.outputs.version }}
-        run: cargo build --profile dist
+        run: cargo build --profile dist --locked
 
       - name: Compress debuginfo
         run: objcopy --compress-debug-sections=zlib-gnu target/dist/hq
@@ -111,7 +111,7 @@ jobs:
       - name: Compile
         env:
           HQ_BUILD_VERSION: ${{ needs.set-env.outputs.version }}
-        run: cross build --target ${{ matrix.arch }} --no-default-features --features dashboard,highs --profile dist
+        run: cross build --target ${{ matrix.arch }} --no-default-features --features dashboard,highs --profile dist --locked
 
       - name: Prepare archive
         id: archive
@@ -157,7 +157,7 @@ jobs:
           container: off
           manylinux: 2_28
           command: build
-          args: --manifest-path crates/pyhq/Cargo.toml --profile dist --out wheels
+          args: --manifest-path crates/pyhq/Cargo.toml --profile dist --out wheels --locked
       - name: Install Python wheel
         run: |
           python3 -m venv venv
@@ -178,7 +178,7 @@ jobs:
       - name: Compile
         env:
           HQ_BUILD_VERSION: ${{ needs.set-env.outputs.version }}
-        run: cargo build
+        run: cargo build --locked
       - name: Test Python wheel
         run: |
           source venv/bin/activate
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a2c3d7b63..8cfe68a6d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,10 +29,10 @@ jobs:
         run: python scripts/check_package_versions.py
 
       - name: Build
-        run: cargo build --workspace --all-targets
+        run: cargo build --workspace --all-targets --locked
 
       - name: Test
-        run: cargo test --workspace
+        run: cargo test --workspace --locked
 
       - name: Setup Python
         uses: actions/setup-python@v2
@@ -46,7 +46,7 @@ jobs:
 
       - name: Build Python binding
         run: |
-          maturin build --manifest-path crates/pyhq/Cargo.toml --out wheels
+          maturin build --manifest-path crates/pyhq/Cargo.toml --out wheels --locked
           WHEEL=`realpath wheels/*.whl`
           python -m pip install $WHEEL[all]
 
@@ -108,7 +108,7 @@ jobs:
           key: ${{ matrix.os }}
 
       - name: Build HyperQueue
-        run: cargo build --no-default-features --features dashboard,highs
+        run: cargo build --no-default-features --features dashboard,highs --locked
       - name: Run HyperQueue
         run: ./target/debug/hq --version
 
@@ -126,7 +126,7 @@ jobs:
 
       - name: Build Python binding
         run: |
-          maturin build --manifest-path crates/pyhq/Cargo.toml --out wheels
+          maturin build --manifest-path crates/pyhq/Cargo.toml --out wheels --locked
           WHEEL=`realpath wheels/*.whl`
           python -m pip install $WHEEL[all]
 
@@ -145,7 +145,7 @@ jobs:
       - uses: Swatinem/rust-cache@v2
 
       - name: Build HyperQueue with the zero worker mode
-        run: RUSTFLAGS="--cfg zero_worker" cargo build --workspace
+        run: RUSTFLAGS="--cfg zero_worker" cargo build --workspace --locked
 
       - name: Build HyperQueue with all features enabled
-        run: cargo build --all-features --workspace
+        run: cargo build --all-features --workspace --locked
diff --git a/Cargo.lock b/Cargo.lock
index 406da2516..cd65c5189 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1130,7 +1130,7 @@ checksum = "135b12329e5e3ce057a9f972339ea52bc954fe1e9358ef27f95e89716fbc5424"
 
 [[package]]
 name = "hyperqueue"
-version = "0.26.0"
+version = "0.26.1"
 dependencies = [
  "anyhow",
  "bincode",
@@ -1851,7 +1851,7 @@ dependencies = [
 
 [[package]]
 name = "pyhq"
-version = "0.26.0"
+version = "0.26.1"
 dependencies = [
  "anyhow",
  "hyperqueue",