diff --git a/requirements.txt b/requirements.txt
index cc14b10..5d184f8 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 openfermion>=1.2.0
-cirq~=0.12.0
+cirq-core~=0.12.0
+cirq-google~=0.12.0
 jupyter
 numpy>=1.14
 scipy