diff --git a/Dockerfile b/Dockerfile
index d069d48..e56efc6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -53,7 +53,7 @@ RUN set -eux; \
 COPY rust-toolchain.toml /tmp/rust-toolchain.toml
 COPY crawl /tmp/crawl
 RUN set -eux; \
-    cargo install --path /tmp/crawl --bin rudra-runner --bin unsafe-counter; \
+    cargo install --locked --path /tmp/crawl --bin rudra-runner --bin unsafe-counter; \
     rm -rf /tmp/rust-toolchain.toml /tmp/crawl;
 
 COPY . /tmp/rudra/
diff --git a/install-debug.sh b/install-debug.sh
index 83d14fc..8a2873d 100755
--- a/install-debug.sh
+++ b/install-debug.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-cargo install --debug --path "$(dirname "$0")" --force --features backtraces
+cargo install --locked --debug --path "$(dirname "$0")" --force --features backtraces
diff --git a/install-release.sh b/install-release.sh
index 8818eda..c9070a7 100755
--- a/install-release.sh
+++ b/install-release.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-cargo install --path "$(dirname "$0")" --force
+cargo install --locked --path "$(dirname "$0")" --force