diff --git a/.github/workflows/test-lang-rust-ci.yml b/.github/workflows/test-lang-rust-ci.yml
index ae6ca34..d3b71aa 100644
--- a/.github/workflows/test-lang-rust-ci.yml
+++ b/.github/workflows/test-lang-rust-ci.yml
@@ -66,7 +66,7 @@
           # these represent dependencies downloaded by cargo
           # and thus do not depend on the OS, arch nor rust version.
           path: ~/.cargo
-          key: ${{ runner.os }}-cargo-cache1-${{ matrix.target }}-${{ matrix.rust }}-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-cache2-
 
       - name: Cache Rust dependencies
         id: cache-target
@@ -75,12 +75,7 @@
           # these represent compiled steps of both dependencies and avro
           # and thus are specific for a particular OS, arch and rust version.
           path: lang/rust/target
-          key: ${{ runner.os }}-target-cache1-${{ matrix.target }}-${{ matrix.rust }}-${{ hashFiles('**/Cargo.lock') }}
-
-      - name: Cache hit ?!
-        run: |
-          echo "~/.cargo cache hit: ${{ steps.cache-cargo.outputs.cache-hit }}"
-          echo "lang/rust/target cache hit: ${{ steps.cache-target.outputs.cache-hit }}"
+          key: ${{ runner.os }}-target-cache2-
 
       - name: Rust Toolchain
         uses: dtolnay/rust-toolchain@nightly
@@ -229,7 +224,7 @@
           # these represent dependencies downloaded by cargo
           # and thus do not depend on the OS, arch nor rust version.
           path: ~/.cargo
-          key: ${{ runner.os }}-cargo-cache1-web-assembly-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-cache2-
 
       - name: Cache Rust dependencies
         uses: actions/cache@v3
@@ -237,7 +232,7 @@
           # these represent compiled steps of both dependencies and avro
           # and thus are specific for a particular OS, arch and rust version.
           path: lang/rust/target
-          key: ${{ runner.os }}-target-cache1-stable-web-assembly-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-target-cache2-
 
       - name: Install wasm-pack
         run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh