diff --git a/.github/workflows/NUGET_RELEASE.md b/.github/workflows/NUGET_RELEASE.md
index f19a662a..bff4c37f 100644
--- a/.github/workflows/NUGET_RELEASE.md
+++ b/.github/workflows/NUGET_RELEASE.md
@@ -21,8 +21,8 @@ The workflow automatically determines the version based on whether the commit is
 2. **Untagged Release (Prerelease)**:
    - If the current commit is NOT tagged
    - Creates a prerelease version based on the last tag
-   - Format: `{LAST_TAG}-preview.{COMMIT_COUNT}+{SHORT_SHA}`
-   - Example: `0.42.1-preview.123+abc1234`
+   - Format: `{LAST_TAG}-preview.{COMMIT_COUNT}`
+   - Example: `0.42.1-preview.123`
    - Published as a prerelease to NuGet.org
 
 ### Workflow Steps
@@ -81,7 +81,7 @@ Consider enabling branch protection rules for the `release` branch to ensure:
    ```
 2. The workflow will automatically:
    - Build and test the project
-   - Publish a prerelease version like `0.42.1-preview.456+abc1234` to NuGet.org
+   - Publish a prerelease version like `0.42.1-preview.456` to NuGet.org
 
 ## Troubleshooting
 
diff --git a/.github/workflows/TESTING.md b/.github/workflows/TESTING.md
index cc035a12..6168e99e 100644
--- a/.github/workflows/TESTING.md
+++ b/.github/workflows/TESTING.md
@@ -26,7 +26,7 @@ This tests the workflow on untagged commits to the release branch.
 4. Monitor the GitHub Actions workflow at: https://github.com/adamhathcock/sharpcompress/actions
 5. Verify:
    - Workflow triggers and runs successfully
-   - Version is determined correctly (e.g., `0.42.1-preview.XXX+XXXXXXX`)
+   - Version is determined correctly (e.g., `0.42.1-preview.XXX`)
    - Build and tests pass
    - Package is uploaded as artifact
    - Package is pushed to NuGet.org as prerelease
@@ -34,7 +34,7 @@ This tests the workflow on untagged commits to the release branch.
 
 **Expected Outcome:**
 - A new prerelease package appears on NuGet.org: https://www.nuget.org/packages/SharpCompress/
-- Package version follows pattern: `{LAST_TAG}-preview.{COMMIT_COUNT}+{SHA}`
+- Package version follows pattern: `{LAST_TAG}-preview.{COMMIT_COUNT}`
 
 ### 2. Test Tagged Release Publishing
 
diff --git a/build/Program.cs b/build/Program.cs
index f6819af8..dc8c11f3 100644
--- a/build/Program.cs
+++ b/build/Program.cs
@@ -290,9 +290,8 @@ static (string version, bool isPrerelease) GetVersion()
         var lastTag = allTags.OrderBy(tag => Version.Parse(tag)).LastOrDefault() ?? "0.0.0";
 
         var commitCount = GetGitOutput("rev-list", "--count HEAD").Trim();
-        var commitSha = GetGitOutput("rev-parse", "--short HEAD").Trim();
 
-        var version = $"{lastTag}-preview.{commitCount}+{commitSha}";
+        var version = $"{lastTag}-preview.{commitCount}";
         Console.WriteLine($"Building prerelease version: {version}");
         return (version, true);
     }