diff --git a/.github/workflows/rust-release.yml b/.github/workflows/rust-release.yml
index e7fc2c5ef2..4ed08b077e 100644
--- a/.github/workflows/rust-release.yml
+++ b/.github/workflows/rust-release.yml
@@ -178,6 +178,12 @@ jobs:
         shell: bash
         run: |
           set -euo pipefail
+          # Avoid problematic aws-lc jitter entropy code path on musl builders.
+          echo "AWS_LC_SYS_NO_JITTER_ENTROPY=1" >> "$GITHUB_ENV"
+          target_no_jitter="AWS_LC_SYS_NO_JITTER_ENTROPY_${{ matrix.target }}"
+          target_no_jitter="${target_no_jitter//-/_}"
+          echo "${target_no_jitter}=1" >> "$GITHUB_ENV"
+
           # Clear global Rust flags so host/proc-macro builds don't pull in UBSan.
           echo "RUSTFLAGS=" >> "$GITHUB_ENV"
           echo "CARGO_ENCODED_RUSTFLAGS=" >> "$GITHUB_ENV"