diff --git a/.github/workflows/agentx-release.yml b/.github/workflows/agentx-release.yml
index a0fe2d767b5..0514684556e 100644
--- a/.github/workflows/agentx-release.yml
+++ b/.github/workflows/agentx-release.yml
@@ -79,6 +79,11 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
+      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+        with:
+          workspaces: codex-rs
+          key: ${{ matrix.target }}
+
       - name: Install Linux bwrap build dependencies
         shell: bash
         run: |
@@ -225,6 +230,11 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
+      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+        with:
+          workspaces: codex-rs
+          key: ${{ matrix.target }}
+
       - name: Cargo build (codex)
         shell: bash
         run: cargo build --target ${{ matrix.target }} --release --bin codex
@@ -322,6 +332,11 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
+      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+        with:
+          workspaces: codex-rs
+          key: ${{ matrix.target }}
+
       - name: Cargo build (codex)
         shell: bash
         run: cargo build --target ${{ matrix.target }} --release --bin codex