diff --git a/.travis.yml b/.travis.yml
index c36b816..0247e6d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,7 +32,26 @@ before_install:
 # This line does all of the work: installs GHC if necessary, build the library,
 # executables, and test suites, and runs the test suites. --no-terminal works
 # around some quirks in Travis's terminal implementation.
-script: stack $ARGS --no-terminal --install-ghc install --test --fast
+script:
+- stack $ARGS --no-terminal --install-ghc install --test --fast
+- cat << EOF > test_sdist.sh
+  export SRC_TGZ=$(cabal info . | awk '{print $2 ".tar.gz";exit}');
+  cd $(stack path | grep dist-dir | awk '{print $2}');
+  if [ -f "$SRC_TGZ" ]; then
+    cabal install "$SRC_TGZ";
+  else
+    echo "expected '$SRC_TGZ' not found";
+    exit 1;
+  fi
+  EOF
+
+- stack sdist ringo-core
+- cd ringo-core;
+- sh ../test_sdist.sh
+- cd $(stack path | grep project-root | awk '{print $2}')
+- stack sdist ringo
+- cd ringo
+- sh ../test_sdist.sh
 
 # Caching so the next build will be fast too.
 cache: