diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
index 32bc83a1e..b01d4ff7e 100644
--- a/.github/workflows/codspeed.yml
+++ b/.github/workflows/codspeed.yml
@@ -18,7 +18,7 @@ jobs:
 
       - uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: '3.12'
 
       - uses: actions/cache@v3
         id: cache-py
@@ -48,10 +48,12 @@ jobs:
 
       - name: cache rust
         uses: Swatinem/rust-cache@v2
+        with:
+          key: v1
 
       - name: Compile pydantic-core for profiling
         run: |
-          pip install -e . --config-settings=build-args='--verbose' -v
+          pip install -e . --config-settings=build-args='--verbose --profile codspeed' -v
         env:
           CONST_RANDOM_SEED: 0 # Fix the compile time RNG seed
           RUSTFLAGS: "-Cprofile-generate=${{ github.workspace }}/profdata"
@@ -64,7 +66,7 @@ jobs:
 
       - name: Compile pydantic-core for benchmarking
         run: |
-          pip install -e . --config-settings=build-args='--verbose' -v
+          pip install -e . --config-settings=build-args='--verbose --profile codspeed' -v
         env:
           CONST_RANDOM_SEED: 0 # Fix the compile time RNG seed
           RUSTFLAGS: "-Cprofile-use=${{ github.workspace }}/merged.profdata"
diff --git a/Cargo.toml b/Cargo.toml
index f7c859534..120b8496d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -63,6 +63,11 @@ strip = true
 debug = true
 strip = false
 
+[profile.codspeed]
+inherits = "release"
+debug = true
+strip = false
+
 [dev-dependencies]
 pyo3 = { version = "0.20.0", features = ["auto-initialize"] }