That seemed to work but not all of the tests are passing on 0.9.8 so until that happens this configuration will be allowed to fail.
diff --git a/.travis.yml b/.travis.yml
index 543dc50..595e37c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,6 +39,8 @@
   allow_failures:
   - env:
       CRYPTOGRAPHY_GIT_MASTER=true
+  - env:
+      OPENSSL=0.9.8
 
 before_install:
   - if [ -n "$CRYPTOGRAPHY_GIT_MASTER" ]; then pip install git+https://github.com/pyca/cryptography.git;fi