diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f95c943..24aaac4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
 
 jobs:
-  dart_tests:
+  protoc:
     name: "Validate proto"
     runs-on: "ubuntu-latest"
 
@@ -18,6 +18,19 @@ jobs:
       - name: Generate protobuf code
         run: protoc --js_out=/tmp embedded_sass.proto
 
+  versions:
+    name: "Validate versions"
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Check versions match
+        run: |
+          if ! (grep -q '\-dev$' VERSION ||
+              [[ "$(head -n 1 CHANGELOG.md)" == "## $(cat VERSION)" ]]); then
+            echo "VERSION file doesn't match CHANGELOG version."
+          fi
+
   tag:
     name: "Tag release"
     runs-on: "ubuntu-latest"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd54325..79252f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## 1.0.0-beta.15
+
+* Pluralize `Calculation.arguments`.
+
+* Explicitly document how hosts should handle calculations.
+
+## 1.0.0-beta.14
+
+* Add support for calculation values.
+
 ## 1.0.0-beta.13
 
 * Add the `Value.HwbColor` type.
diff --git a/README.md b/README.md
index 3f49a4f..c99117e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-## The Embedded Sass Protocol (1.0.0-beta.8)
+## The Embedded Sass Protocol
 
 * [Overview](#overview)
 * [RPCs](#rpcs)