diff --git a/meta.yaml b/meta.yaml
index 0e65b76a37..b068c51866 100644
--- a/meta.yaml
+++ b/meta.yaml
@@ -77,7 +77,7 @@ requirements:
     - pyzmq
     - quantities
     - rdkit >=2015.09.2
-    - rmgdatabase >=2.1.7
+    - rmgdatabase >=2.1.8
     - scipy
     - scoop
     - symmetry
diff --git a/rmgpy/version.py b/rmgpy/version.py
index bf6459b8cd..69e7c1ef82 100644
--- a/rmgpy/version.py
+++ b/rmgpy/version.py
@@ -34,4 +34,4 @@
 This value can be accessed via `rmgpy.__version__`.
 """
 
-__version__ = '2.1.7'
\ No newline at end of file
+__version__ = '2.1.8'
\ No newline at end of file