diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9cf5c94..00b92bd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,14 +1,19 @@
-name: CI
+name: ci
 
 on:
-  push:
-    branches: [master]
+  workflow_dispatch:
   pull_request:
+  push:
+    branches: [master, v2]
 
 concurrency: 
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
   test:
     env:
diff --git a/test/runtests.jl b/test/runtests.jl
index ac13a44..c815e01 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -4,8 +4,11 @@ using StatsPlots
 using StableRNGs
 using Clustering
 using NaNMath
+using Plots
 using Test
 
+import Plots: PlotsBase
+
 @testset "Grouped histogram" begin
     rng = StableRNG(1337)
     gpl = groupedhist(