diff --git a/.travis.yml b/.travis.yml
index 0fa49ca..fde9910 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ env:
     # Branch (or any remote ref, i.e. pull/10/head) to fetch
     - BUILD_BRANCH=master
     # Commit tag/ref to checkout
-    - BUILD_COMMIT=HEAD
+    - BUILD_COMMIT=3.4.5
 
 cache:
   ccache: true
diff --git a/appveyor.yml b/appveyor.yml
index 7c5e24e..8d8d9df 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,7 +5,7 @@ environment:
     # Branch/ref from which to pull
     BUILD_BRANCH: master
     # Commit ref/tag to checkout
-    BUILD_COMMIT: FETCH_HEAD
+    BUILD_COMMIT: 3.4.5
 
     # fixes build env dependencies for building orange3 wheels
     BUILD_DEPS: --only-binary numpy --extra-index-url=https://pypi.anaconda.org/ales-erjavec/simple numpy==1.9.3 wheel