diff --git a/.travis.yml b/.travis.yml
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,7 +28,9 @@
     - env: CABALVER=1.22 GHCVER=7.10.3
       compiler: ": #GHC 7.10.3"
       addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.3], sources: [hvr-ghc]}}
-
+    - env: CABALVER=1.24 GHCVER=8.0.1
+      compiler: ": #GHC 8.0.1"
+      addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.1], sources: [hvr-ghc]}}
 before_install:
  - unset CC
  - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH
diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+0.13.0.1
+--------
+* Bump protobuf version
+
 0.13.0.0
 --------
 * Implement SSL Connection
diff --git a/eventstore.cabal b/eventstore.cabal
--- a/eventstore.cabal
+++ b/eventstore.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.13.0.0
+version:             0.13.0.1
 
 tested-with: GHC >= 7.8.3 && < 7.11
 
@@ -104,7 +104,7 @@
                      , bytestring >=0.10.4   && <0.11
                      , cereal     >=0.4      && <0.6
                      , containers >=0.5      && <0.6
-                     , protobuf   >=0.2      && <0.3
+                     , protobuf   >=0.2.1.1  && <0.3
                      , random     ==1.*
                      , text       >=1.1.1    && <1.3
                      , time       >=1.4      && <1.7