diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 507c7cc4..9bc541cb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,6 +38,9 @@ jobs:
         rust: ["stable"]
     continue-on-error: ${{ matrix.rust != 'stable' }}
     runs-on: ${{ matrix.os }}
+    env:
+      # Reduce amount of data cached
+      CARGO_PROFILE_DEV_DEBUG=line-tables-only
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4
diff --git a/.github/workflows/rust-next.yml b/.github/workflows/rust-next.yml
index be8b2dbe..afd8bb5d 100644
--- a/.github/workflows/rust-next.yml
+++ b/.github/workflows/rust-next.yml
@@ -28,6 +28,9 @@ jobs:
           rust: "nightly"
     continue-on-error: ${{ matrix.rust != 'stable' }}
     runs-on: ${{ matrix.os }}
+    env:
+      # Reduce amount of data cached
+      CARGO_PROFILE_DEV_DEBUG=line-tables-only
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4