diff --git a/.github/workflows/part-compute-version.yml b/.github/workflows/part-compute-version.yml
index 7209194fa..6a9b44a63 100644
--- a/.github/workflows/part-compute-version.yml
+++ b/.github/workflows/part-compute-version.yml
@@ -43,8 +43,11 @@ jobs:
         $revRequestUrl = "$apiBaseUrl/workflows/$workflowId/runs?created=$($createdAtPST.ToString($dateFormat))..$($createdAtPST.AddDays(1).ToString($dateFormat))";
         $rev = curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" $revRequestUrl | jq .total_count;
 
-        $path = "version.txt";
-        $version = "$((cat $path).Trim())"
+        # Current version number is sourced from the top of CHANGELOG.md
+        $version = Get-Content -Path CHANGELOG.md -TotalCount 1
+
+        $version = $version.Trim('#').Trim()
+
         $date = $createdAtPST.ToString("yyyyMMdd")
         $prereleaseSlug = "${{ inputs.prereleaseSlug }}"
         echo "Version from $($path): $version";
diff --git a/Coalesce.sln b/Coalesce.sln
index 9fd58f46e..4bde1d305 100644
--- a/Coalesce.sln
+++ b/Coalesce.sln
@@ -16,7 +16,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		Coalesce.lutconfig = Coalesce.lutconfig
 		src\Common.props = src\Common.props
 		src\Directory.Build.props = src\Directory.Build.props
-		version.txt = version.txt
+		CHANGELOG.md = CHANGELOG.md
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{CCBE3CC2-7DA3-4BA1-96A1-7BAAF8533D58}"
diff --git a/version.txt b/version.txt
deleted file mode 100644
index 28cbf7c0a..000000000
--- a/version.txt
+++ /dev/null
@@ -1 +0,0 @@
-5.0.0
\ No newline at end of file