diff --git a/bcforms/_version.py b/bcforms/_version.py
index 2792152..9123cf0 100644
--- a/bcforms/_version.py
+++ b/bcforms/_version.py
@@ -1 +1 @@
-__version__ = '0.0.7'
+__version__ = '0.0.8'
diff --git a/requirements.optional.txt b/requirements.optional.txt
index 305e6e8..3f92079 100644
--- a/requirements.optional.txt
+++ b/requirements.optional.txt
@@ -1,5 +1,5 @@
 [draw]
-wc_utils[protonation] >= 0.0.14
+wc_utils[protonation] >= 0.0.15
 
 [rest_api]
 flask
diff --git a/requirements.txt b/requirements.txt
index b56ff18..26b652a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-bpforms >= 0.0.14
+bpforms >= 0.0.15
 cement >= 3.0.0 # for command line programs
 lark_parser >= 0.6.6
 openbabel