diff --git a/.ruby-version b/.ruby-version
index ec1cf33c..37c2961c 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.6.3
+2.7.2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4876fb5e..4f407dad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## Unreleased
 
+### Ruby version bump
+
+We've updated the Ruby version supported:
+
+- [#201: Bump ruby to 2.7.2](https://github.com/alphagov/tech-docs-gem/pull/201)
+
 ### Fixes
 
 We’ve made fixes in the following pull requests:
diff --git a/example/.ruby-version b/example/.ruby-version
index ec1cf33c..37c2961c 100644
--- a/example/.ruby-version
+++ b/example/.ruby-version
@@ -1 +1 @@
-2.6.3
+2.7.2