diff --git a/CHANGELOG.md b/CHANGELOG.md
index ddd0186..06e1a76 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.3.1
+
+- Fix wrong option being defined in `core.yaml` (`strong-mode` instead of
+  `language`).
+
 ## 0.3.0
 
 - Added: (Added together with Dart `2.19.0` in linter version `1.31.0`)
diff --git a/lib/core.yaml b/lib/core.yaml
index cf31c64..2430954 100644
--- a/lib/core.yaml
+++ b/lib/core.yaml
@@ -1,5 +1,5 @@
 analyzer:
-  strong-mode:
+  language:
     strict-casts: true
     strict-inference: true
     strict-raw-types: true
diff --git a/pubspec.yaml b/pubspec.yaml
index feca010..f88f401 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: words
-version: 0.3.0
+version: 0.3.1
 
 description: >-
   A curated collection of lints for use by Dart packages to ensure