diff --git a/conda/meta.yaml b/conda/meta.yaml
index 7ea1a3c..7cb9cd8 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -18,7 +18,7 @@ requirements:
     - python
     - setuptools
   run:
-    - bw2io<=0.8.7
+    - bw2io
     - bw2data
 
 test:
diff --git a/premise_gwp/version.py b/premise_gwp/version.py
index 0d4d04c..c019b8a 100644
--- a/premise_gwp/version.py
+++ b/premise_gwp/version.py
@@ -1 +1 @@
-version = (0, 9)
+version = (0, 9, 1)
diff --git a/requirements.txt b/requirements.txt
index 4322f4b..7d4f9db 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-bw2io<=0.8.7
+bw2io
 bw2data
diff --git a/setup.py b/setup.py
index 147e717..60fabd7 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
     license="BSD 3-clause",
     package_data={"premise_gwp": ["data/*.xlsx", "data/*.json"]},
     install_requires=[
-        "bw2io<=0.8.7",
+        "bw2io",
         "bw2data",
         "requests",
     ],