diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@
 The format is based on [Keep a Changelog 1.1](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to the [Haskell Package Versioning Policy](https://pvp.haskell.org/).
 
+## [0.1.0.1] – 2026-02-10
+
+### Fixed
+
+- explicitly include test drivers that were being overlooked by sdist (#9)
+
 ## [0.1.0.0] – 2026-02-09
 
 ### Added
@@ -32,6 +38,7 @@
 
 <!-- NB: The version on the left is the Haskell package version (PVP), the version on the right is the repo (tag) version (SemVer). Their only relationship is that a change of any severity on the left implies a change of at least that severity on the right. -->
 
+[0.1.0.1]: https://github.com/sellout/ghc-compat-plugin/compare/v1.0.0...v1.0.1
 [0.1.0.0]: https://github.com/sellout/ghc-compat-plugin/compare/v0.2.0...v1.0.0
 [0.0.2.0]: https://github.com/sellout/ghc-compat-plugin/compare/v0.1.0...v0.2.0
 [0.0.1.0]: https://github.com/sellout/ghc-compat-plugin/releases/tag/v0.1.0
diff --git a/ghc-compat-plugin.cabal b/ghc-compat-plugin.cabal
--- a/ghc-compat-plugin.cabal
+++ b/ghc-compat-plugin.cabal
@@ -5,7 +5,7 @@
 -- https://cabal.readthedocs.io/en/stable/file-format-changelog.html
 
 name: ghc-compat-plugin
-version: 0.1.0.0
+version: 0.1.0.1
 synopsis: Eases support for multiple GHC versions
 description: Controls various GHC options and extensions to make compilation
              across multiple versions easier, and to alert you to
@@ -25,6 +25,10 @@
   README.md
   docs/*.md
   tests/README.md
+  -- These files are `main-is`, but seem to be missing from sdist … because of
+  -- conditionalization?
+  tests/compilation-ghc2021.hs
+  tests/compilation-ghc2024.hs
 tested-with:
   GHC ==7.10.3
   || ==8.0.2
@@ -55,7 +59,7 @@
   location: https://github.com/sellout/ghc-compat-plugin.git
   subdir: core
   -- NB: This is the repo version, which is distinct from the package version.
-  tag: v1.0.0
+  tag: v1.0.1
 
 flag noisy-deprecations
   description:
diff --git a/tests/compilation-ghc2021.hs b/tests/compilation-ghc2021.hs
new file mode 100644
--- /dev/null
+++ b/tests/compilation-ghc2021.hs
@@ -0,0 +1,13 @@
+{-# LANGUAGE CPP #-}
+
+module Main (main) where
+
+import Control.Applicative (pure)
+import Data.Function (($))
+import Data.Monoid ((<>))
+import System.IO (IO)
+import qualified Test.SupportGHC2021
+import Prelude ()
+
+main :: IO ()
+main = pure Test.SupportGHC2021.force
diff --git a/tests/compilation-ghc2024.hs b/tests/compilation-ghc2024.hs
new file mode 100644
--- /dev/null
+++ b/tests/compilation-ghc2024.hs
@@ -0,0 +1,8 @@
+module Main (main) where
+
+import Control.Applicative (pure)
+import System.IO (IO)
+import qualified Test.SupportGHC2024
+
+main :: IO ()
+main = pure Test.SupportGHC2024.force