diff --git a/scripts/ci/gitlab/pipeline/build.yml b/scripts/ci/gitlab/pipeline/build.yml
index 6d7c3cc35df8..8367ec3bc7d6 100644
--- a/scripts/ci/gitlab/pipeline/build.yml
+++ b/scripts/ci/gitlab/pipeline/build.yml
@@ -21,7 +21,7 @@ build-linux-stable:
     # Ensure we run the UI tests.
     RUN_UI_TESTS: 1
   script:
-    - time cargo build --profile testnet --features pyroscope --verbose --bin polkadot
+    - time cargo build --locked --profile testnet --features pyroscope --verbose --bin polkadot
     # pack artifacts
     - mkdir -p ./artifacts
     - VERSION="${CI_COMMIT_REF_NAME}" # will be tag or branch name
@@ -52,8 +52,8 @@ build-test-collators:
     - .compiler-info
     - .collect-artifacts
   script:
-    - time cargo build --profile testnet --verbose -p test-parachain-adder-collator
-    - time cargo build --profile testnet --verbose -p test-parachain-undying-collator
+    - time cargo build --locked --profile testnet --verbose -p test-parachain-adder-collator
+    - time cargo build --locked --profile testnet --verbose -p test-parachain-undying-collator
     # pack artifacts
     - mkdir -p ./artifacts
     - mv ./target/testnet/adder-collator ./artifacts/.
@@ -77,7 +77,7 @@ build-malus:
     - .compiler-info
     - .collect-artifacts
   script:
-    - time cargo build --profile testnet --verbose -p polkadot-test-malus
+    - time cargo build --locked --profile testnet --verbose -p polkadot-test-malus
     # pack artifacts
     - mkdir -p ./artifacts
     - mv ./target/testnet/malus ./artifacts/.
diff --git a/scripts/ci/gitlab/pipeline/check.yml b/scripts/ci/gitlab/pipeline/check.yml
index 66338ba21c84..7a56777b09f1 100644
--- a/scripts/ci/gitlab/pipeline/check.yml
+++ b/scripts/ci/gitlab/pipeline/check.yml
@@ -48,7 +48,7 @@ check-try-runtime:
     - .compiler-info
   script:
     # Check that everything compiles with `try-runtime` feature flag.
-    - cargo check --features try-runtime --all
+    - cargo check --locked --features try-runtime --all
 
 # More info can be found here: https://github.com/paritytech/polkadot/pull/5865
 # Works only in PRs with E1 label
@@ -68,8 +68,8 @@ check-try-runtime:
         echo "Found label runtime_migration. Running tests"
         export RUST_LOG=remote-ext=debug,runtime=debug
         echo "---------- Running try-runtime for ${NETWORK} ----------"
-        time cargo build --release -p "$NETWORK"-runtime
-        time cargo run --release --features try-runtime try-runtime \
+        time cargo build --locked --release -p "$NETWORK"-runtime
+        time cargo run ---locked -release --features try-runtime try-runtime \
             --runtime ./target/release/wbuild/"$NETWORK"-runtime/target/wasm32-unknown-unknown/release/"$NETWORK"_runtime.wasm \
             -lruntime=debug \
             --chain=${NETWORK}-dev \
@@ -118,8 +118,8 @@ check-no-default-features:
     - .compiler-info
   script:
     # Check that polkadot-cli will compile no default features.
-    - pushd ./node/service && cargo check --no-default-features && popd
-    - pushd ./cli && cargo check --no-default-features --features "service" && popd
+    - pushd ./node/service && cargo check --locked --no-default-features && popd
+    - pushd ./cli && cargo check --locked --no-default-features --features "service" && popd
     - exit 0
 
 # this is artificial job to run some build and tests using DAG
diff --git a/scripts/ci/gitlab/pipeline/test.yml b/scripts/ci/gitlab/pipeline/test.yml
index 6420216111ce..d66ede4e03ef 100644
--- a/scripts/ci/gitlab/pipeline/test.yml
+++ b/scripts/ci/gitlab/pipeline/test.yml
@@ -103,4 +103,4 @@ cargo-clippy:
     - .docker-env
     - .test-refs
   script:
-    - SKIP_WASM_BUILD=1 env -u RUSTFLAGS cargo clippy --all-targets
+    - SKIP_WASM_BUILD=1 env -u RUSTFLAGS cargo clippy --locked --all-targets