diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a475192..d406b4b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -73,9 +73,9 @@ jobs:
     - name: Build
       run: cargo build --verbose
     - name: Run unit tests
-      run: cargo test --verbose
+      run: cargo test --verbose -- --test-threads=1
     - name: Run e2e tests
-      run: cargo test --test '*' --verbose
+      run: cargo test --test '*' --verbose -- --test-threads=1
 
   fmt:
     name: Rustfmt
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index dfc5b7b..e6dff23 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -25,14 +25,14 @@ repos:
 
       - id: cargo-test
         name: cargo test
-        entry: cargo test
+        entry: cargo test -- --test-threads=1
         language: system
         types: [rust]
         pass_filenames: false
 
       - id: cargo-test-e2e
         name: cargo e2e tests
-        entry: cargo test --test '*'
+        entry: cargo test --test '*' -- --test-threads=1
         language: system
         types: [rust]
         pass_filenames: false