diff --git a/ide-backend.cabal b/ide-backend.cabal
--- a/ide-backend.cabal
+++ b/ide-backend.cabal
@@ -1,5 +1,5 @@
 name:                 ide-backend
-version:              0.9.0.8
+version:              0.9.0.9
 synopsis:             An IDE backend library
 description:          See README.md for more details
 license:              MIT
@@ -45,7 +45,7 @@
                       pureMD5              >= 2.1     && < 2.2,
                       transformers         >= 0.3     && < 0.5,
                       time                 >= 1.4     && < 1.6,
-                      attoparsec           >= 0.10    && < 0.13,
+                      attoparsec           >= 0.10    && < 0.14,
                       utf8-string          >= 0.3     && < 1.1,
                       ide-backend-common   >= 0.9.1   && < 0.10,
                       template-haskell,
@@ -101,7 +101,7 @@
                       tagged               >= 0.4     && < 0.9,
                       transformers         >= 0.3     && < 0.5,
                       time                 >= 1.4     && < 1.6,
-                      attoparsec           >= 0.10    && < 0.13,
+                      attoparsec           >= 0.10    && < 0.14,
                       template-haskell,
                       -- our own private fork:
                       Cabal-ide-backend    >= 1.22,