diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce30bee7..99c202d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 3.1.0.4
+
+- Fix issue with slow rendering of web-gl using instancing
+- Hide colorbar on png captures when needed
+- Other minor fixes
+
 ## 3.1.0.3
 
 - Fix h5 autocomplete on iframes
diff --git a/tissuumaps/VERSION b/tissuumaps/VERSION
index 200dc388..b9511507 100644
--- a/tissuumaps/VERSION
+++ b/tissuumaps/VERSION
@@ -1 +1 @@
-3.1.0.3
+3.1.0.4