diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index c4bc040..c7fc63d 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,108 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="SELECTIVE" />
+  </component>
   <component name="ChangeListManager">
-    <list default="true" id="a24ab6b3-a198-4768-b249-1eb6a46321c4" name="Default Changelist" comment="">
-      <change afterPath="$PROJECT_DIR$/.github/workflows/main.yml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/conda/conda_build_config.yaml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/conda/meta.yaml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/tests/test_implementation.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/LICENSE" beforeDir="false" afterPath="$PROJECT_DIR$/LICENSE" afterDir="false" />
+    <list default="true" id="a24ab6b3-a198-4768-b249-1eb6a46321c4" name="Default Changelist" comment="Fix dependencies">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
     </list>
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
-  <component name="FileEditorManager">
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-          <provider selected="true" editor-type-id="text-editor">
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-        <entry file="file://$PROJECT_DIR$/conda/meta.yaml">
-          <provider selected="true" editor-type-id="text-editor">
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-        <entry file="file://$PROJECT_DIR$/requirements.txt">
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-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/README.md">
-          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-            <state split_layout="SPLIT">
-              <first_editor relative-caret-position="330">
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-              </first_editor>
-              <second_editor />
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-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/pytest.ini">
-          <provider selected="true" editor-type-id="text-editor" />
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-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/MANIFEST.in">
-          <provider selected="true" editor-type-id="text-editor" />
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/LICENSE">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="44">
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-          </provider>
-        </entry>
-      </file>
-    </leaf>
-  </component>
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
       <list>
@@ -138,12 +47,16 @@
       </list>
     </option>
   </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
   <component name="ProjectFrameBounds" extendedState="6">
     <option name="x" value="240" />
     <option name="y" value="145" />
     <option name="width" value="1440" />
     <option name="height" value="870" />
   </component>
+  <component name="ProjectId" id="27YSmLLT0AIsJxT0Lp5GD41oYnh" />
   <component name="ProjectView">
     <navigator proportions="" version="1">
       <foldersAlwaysOnTop value="true" />
@@ -168,26 +81,22 @@
       <pane id="Scope" />
     </panes>
   </component>
-  <component name="PropertiesComponent">
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
   </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "last_opened_file_path": "/Users/romain/GitHub/premise_gwp/premise_gwp/data"
+  }
+}]]></component>
   <component name="RecentsManager">
     <key name="CopyFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/premise_gwp/data" />
       <recent name="C:\Users\sacchi_r\Documents\GitHub\premise_gwp" />
     </key>
   </component>
-  <component name="RunDashboard">
-    <option name="ruleStates">
-      <list>
-        <RuleState>
-          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
-  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
   <component name="SvnConfiguration">
     <configuration />
   </component>
@@ -199,6 +108,84 @@
       <option name="presentableId" value="Default" />
       <updated>1633359375168</updated>
     </task>
+    <task id="LOCAL-00001" summary="Update CF for hydrogen to 11 kg CO2-eq./kg.">
+      <created>1649495949324</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1649495949324</updated>
+    </task>
+    <task id="LOCAL-00002" summary="Remove duplicate for Carbon dioxide, non-fossil, from non-urban air.">
+      <created>1658312936867</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1658312936867</updated>
+    </task>
+    <task id="LOCAL-00003" summary="CFs for non-fossil methane has bene aligned on the values for fossil methane, as suggested in Muñoz and Schmidt, DOI: 10.1007/s11367-016-1091-z">
+      <created>1681805549058</created>
+      <option name="number" value="00003" />
+      <option name="presentableId" value="LOCAL-00003" />
+      <option name="project" value="LOCAL" />
+      <updated>1681805549058</updated>
+    </task>
+    <task id="LOCAL-00004" summary="Fix dependency of `bw2io` to 0.8.7&#10;because biosphere flows in ei39 (&gt;=`bw2io 0.8.8`) change.">
+      <created>1681808131559</created>
+      <option name="number" value="00004" />
+      <option name="presentableId" value="LOCAL-00004" />
+      <option name="project" value="LOCAL" />
+      <updated>1681808131559</updated>
+    </task>
+    <task id="LOCAL-00005" summary="Add disclaimer in readme">
+      <created>1681815738112</created>
+      <option name="number" value="00005" />
+      <option name="presentableId" value="LOCAL-00005" />
+      <option name="project" value="LOCAL" />
+      <updated>1681815738112</updated>
+    </task>
+    <task id="LOCAL-00006" summary="Version bump">
+      <created>1681818762646</created>
+      <option name="number" value="00006" />
+      <option name="presentableId" value="LOCAL-00006" />
+      <option name="project" value="LOCAL" />
+      <updated>1681818762646</updated>
+    </task>
+    <task id="LOCAL-00007" summary="Version bump">
+      <created>1684228996513</created>
+      <option name="number" value="00007" />
+      <option name="presentableId" value="LOCAL-00007" />
+      <option name="project" value="LOCAL" />
+      <updated>1684228996513</updated>
+    </task>
+    <task id="LOCAL-00008" summary="Update README.md">
+      <created>1684229121735</created>
+      <option name="number" value="00008" />
+      <option name="presentableId" value="LOCAL-00008" />
+      <option name="project" value="LOCAL" />
+      <updated>1684229121735</updated>
+    </task>
+    <task id="LOCAL-00009" summary="Fix GithubAction">
+      <created>1684230335971</created>
+      <option name="number" value="00009" />
+      <option name="presentableId" value="LOCAL-00009" />
+      <option name="project" value="LOCAL" />
+      <updated>1684230335971</updated>
+    </task>
+    <task id="LOCAL-00010" summary="Fix dependencies">
+      <created>1684230625859</created>
+      <option name="number" value="00010" />
+      <option name="presentableId" value="LOCAL-00010" />
+      <option name="project" value="LOCAL" />
+      <updated>1684230625859</updated>
+    </task>
+    <task id="LOCAL-00011" summary="Fix dependencies">
+      <created>1684230802079</created>
+      <option name="number" value="00011" />
+      <option name="presentableId" value="LOCAL-00011" />
+      <option name="project" value="LOCAL" />
+      <updated>1684230802079</updated>
+    </task>
+    <option name="localTasksCounter" value="12" />
     <servers />
   </component>
   <component name="ToolWindowManager">
@@ -243,6 +230,29 @@
       <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
     </layout-to-restore>
   </component>
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State />
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="Update CF for hydrogen to 11 kg CO2-eq./kg." />
+    <MESSAGE value="Remove duplicate for Carbon dioxide, non-fossil, from non-urban air." />
+    <MESSAGE value="CFs for non-fossil methane has bene aligned on the values for fossil methane, as suggested in Muñoz and Schmidt, DOI: 10.1007/s11367-016-1091-z" />
+    <MESSAGE value="Fix dependency of `bw2io` to 0.8.7&#10;because biosphere flows in ei39 (&gt;=`bw2io 0.8.8`) change." />
+    <MESSAGE value="Add disclaimer in readme" />
+    <MESSAGE value="Version bump" />
+    <MESSAGE value="Update README.md" />
+    <MESSAGE value="Fix GithubAction" />
+    <MESSAGE value="Fix dependencies" />
+    <option name="LAST_COMMIT_MESSAGE" value="Fix dependencies" />
+  </component>
   <component name="editorHistoryManager">
     <entry file="file://$PROJECT_DIR$/premise_gwp/version.py">
       <provider selected="true" editor-type-id="text-editor">
diff --git a/tests/test_implementation.py b/tests/test_implementation.py
index 1ebeb89..0ae3a60 100644
--- a/tests/test_implementation.py
+++ b/tests/test_implementation.py
@@ -15,7 +15,7 @@ def test_implementation():
     add_premise_gwp()
 
     # check that the new method exists
-    new_method = ("IPCC 2013", "climate change", "GWP 100a, incl. H and bio CO2")
+    new_method = ("IPCC 2021", "climate change", "GWP 100a, incl. H and bio CO2")
     assert new_method in bw2data.methods
 
     # check that "Carbon dioxide, in air" has now a CF of -1