diff --git a/requirements.txt b/requirements.txt
index 4e11c59b6..27585c9ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ heat-translator>=0.4.0 # Apache-2.0
 cryptography!=2.0,>=1.9 # BSD/Apache-2.0
 paramiko>=2.0.0 # LGPLv2.1+
 pyroute2>=0.4.21;sys_platform!='win32' # Apache-2.0 (+ dual licensed GPL2)
-python-mistralclient>=3.1.0 # Apache-2.0
+python-mistralclient!=3.2.0,>=3.1.0 # Apache-2.0
 python-barbicanclient!=4.5.0,!=4.5.1,>=4.0.0 # Apache-2.0
 kubernetes>=4.0.0 # Apache-2.0
 setuptools!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.0,!=34.3.0,!=34.3.1,!=34.3.2,!=36.2.0,>=16.0 # PSF/ZPL