diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ccec2385..a5a93eae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,6 +30,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: 1.79
+      - run: perl -pi.bak -e 's/opt-level = 2/opt-level = 0/g' Cargo.toml
       - run: sudo apt install libgtk-3-dev libxdo-dev
       - run: cargo build --workspace
 
@@ -39,6 +40,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
+      - run: perl -pi.bak -e 's/opt-level = 2/opt-level = 0/g' Cargo.toml
       - run: sudo apt install libgtk-3-dev libxdo-dev
       - run: cargo build --workspace
       - run: cargo test --workspace
@@ -63,6 +65,7 @@ jobs:
         with:
           toolchain: nightly
           components: clippy
+      - run: perl -pi.bak -e 's/opt-level = 2/opt-level = 0/g' Cargo.toml
       - run: sudo apt install libgtk-3-dev libxdo-dev
       - run: cargo clippy --workspace -- -D warnings
 
@@ -89,7 +92,7 @@ jobs:
               cross: false,
               command: "test",
               args: "--all --tests",
-              setup: ""
+              setup: perl -pi.bak -e 's/opt-level = 2/opt-level = 0/g' Cargo.toml
             }
           - {
               target: x86_64-apple-darwin,
@@ -97,7 +100,7 @@ jobs:
               cross: false,
               command: "test",
               args: "--all --tests",
-              setup: ""
+              setup: perl -pi.bak -e 's/opt-level = 2/opt-level = 0/g' Cargo.toml
             }
           - {
               target: x86_64-unknown-linux-gnu,
@@ -111,7 +114,8 @@ jobs:
                 libgtk-3-dev \
                 libudev-dev \
                 libpango1.0-dev \
-                libxdo-dev"
+                libxdo-dev;
+                perl -pi.bak -e 's/opt-level = 2/opt-level = 0/g' Cargo.toml"
             }
 
     steps: