ebfd7cb2191bdf02ebdc2df6c47697d3a9d195e3

 1diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
 2index cdadc143450c6030e19d80cb0b18b92fce5f1441..50e00f9c9855c7aadf3a12efe717d48c2dd86298 100644
 3--- a/.github/workflows/main.yml
 4+++ b/.github/workflows/main.yml
 5@@ -10,6 +10,10 @@ on:
 6     branches: 
 7       - master
 8 
 9+concurrency:
10+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
11+  cancel-in-progress: true
12+
13 jobs:
14   tests:
15     name: Run tests
16diff --git a/.github/workflows/project.yml b/.github/workflows/project.yml
17index 8007615547b1fae7c3d8cca2f99049dd94ecbce8..4b671d4495e2a80d382fba66c4ed7e4ce1a3c70a 100644
18--- a/.github/workflows/project.yml
19+++ b/.github/workflows/project.yml
20@@ -5,6 +5,10 @@ on:
21   pull_request_target:
22     types: [opened, synchronize]
23 
24+concurrency:
25+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
26+  cancel-in-progress: true
27+
28 jobs:
29   add-to-project:
30     name: Add to project