diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
new file mode 100644
index 0000000..1d01845
--- /dev/null
+++ b/.github/workflows/run-tests.yml
@@ -0,0 +1,17 @@
+name: tests
+
+on: [push, pull_request]
+
+jobs:
+  run-tests:
+    runs-on: ubuntu-latest
+    name: Ubuntu, Nim 1.6.12
+    steps:
+    - uses: actions/checkout@v2
+    - uses: iffy/install-nim@v3
+      with:
+        version: 1.6.12
+    - name: Install Deps
+      run: nimble install -y
+    - name: Run tests
+      run: nimble test -y
diff --git a/README.md b/README.md
index 4fb749e..06b558c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-swarmsim
+swarmsim · ![](https://github.com/codex-storage/swarmsim/actions/workflows/run-tests.yml/badge.svg)
 ========
 
-A simulator for experimenting with swarm protocols. There is not much to see yet. :-)
\ No newline at end of file
+A simulator for experimenting with swarm protocols. There is not much to see yet. :-)