diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 65e2b2ca..1ae7df20 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,7 +4,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.15.x]
+        go-version: [1.18.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c7582349..ae634d1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 1.5.1
+
+* Wrap errors so they're compatible with `errors.Is` and `errors.As` [GH-282]
+* Fix map of slices not decoding properly in certain cases. [GH-266]
+
 ## 1.5.0
 
 * New option `IgnoreUntaggedFields` to ignore decoding to any fields