diff --git a/build-support/bin/rust/calculate_engine_hash.sh b/build-support/bin/rust/calculate_engine_hash.sh
index 86d2bbb0e2b..8c6ea36a7f2 100644
--- a/build-support/bin/rust/calculate_engine_hash.sh
+++ b/build-support/bin/rust/calculate_engine_hash.sh
@@ -35,7 +35,8 @@ function calculate_current_hash() {
       echo "${MODE_FLAG}"
       echo "${RUST_TOOLCHAIN_CONTENTS}"
       uname -mps
-      "${PY}" --version 2>&1
+      # the engine only depends on the implementation and major.minor version, not the patch
+      "${PY}" -c 'import sys; print(sys.implementation.name, sys.version_info.major, sys.version_info.minor)'
       git ls-files --cached --others --exclude-standard \
         "${NATIVE_ROOT}" \
         "${REPO_ROOT}/rust-toolchain" \