diff --git a/.travis.yml b/.travis.yml
index 8b025c9..fabc6b4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,7 +34,7 @@ after_script:
                  --exclude-dir=tests
                  --exclude-dir=oldtests
                  --exclude-dir=benchmarks
-                 tests oldtests
+                 tests old-tests
 
 notifications:
   email: false
diff --git a/megaparsec.cabal b/megaparsec.cabal
index 940117c..991a2c9 100644
--- a/megaparsec.cabal
+++ b/megaparsec.cabal
@@ -81,9 +81,9 @@ library
   ghc-options:       -O2 -Wall
   default-language:  Haskell2010
 
-test-suite oldtests
+test-suite old-tests
   main-is:           Main.hs
-  hs-source-dirs:    oldtests
+  hs-source-dirs:    old-tests
   type:              exitcode-stdio-1.0
   other-modules:     Bugs
                    , Bugs.Bug2
diff --git a/oldtests/Bugs.hs b/old-tests/Bugs.hs
similarity index 100%
rename from oldtests/Bugs.hs
rename to old-tests/Bugs.hs
diff --git a/oldtests/Bugs/Bug2.hs b/old-tests/Bugs/Bug2.hs
similarity index 100%
rename from oldtests/Bugs/Bug2.hs
rename to old-tests/Bugs/Bug2.hs
diff --git a/oldtests/Bugs/Bug35.hs b/old-tests/Bugs/Bug35.hs
similarity index 100%
rename from oldtests/Bugs/Bug35.hs
rename to old-tests/Bugs/Bug35.hs
diff --git a/oldtests/Bugs/Bug39.hs b/old-tests/Bugs/Bug39.hs
similarity index 100%
rename from oldtests/Bugs/Bug39.hs
rename to old-tests/Bugs/Bug39.hs
diff --git a/oldtests/Bugs/Bug6.hs b/old-tests/Bugs/Bug6.hs
similarity index 100%
rename from oldtests/Bugs/Bug6.hs
rename to old-tests/Bugs/Bug6.hs
diff --git a/oldtests/Bugs/Bug9.hs b/old-tests/Bugs/Bug9.hs
similarity index 100%
rename from oldtests/Bugs/Bug9.hs
rename to old-tests/Bugs/Bug9.hs
diff --git a/oldtests/Main.hs b/old-tests/Main.hs
similarity index 100%
rename from oldtests/Main.hs
rename to old-tests/Main.hs
diff --git a/oldtests/Util.hs b/old-tests/Util.hs
similarity index 100%
rename from oldtests/Util.hs
rename to old-tests/Util.hs