diff --git a/build-linux.xml b/build-linux.xml
index 72196f75..9345eb73 100644
--- a/build-linux.xml
+++ b/build-linux.xml
@@ -297,7 +297,7 @@
             <arg value="--input"/>
             <arg value="${binariesFolder}/${linuxGtk3Folder}" />
             <arg value="--app-version"/>
-            <arg value="1.8.90" />
+            <arg value="1.8.91" />
             <arg value="--runtime-image"/>
             <arg value="${binariesFolder}/jvm-image" />
             <arg value="--temp"/>
diff --git a/build-macos-arm.xml b/build-macos-arm.xml
index f5eb5cf4..9372df3d 100644
--- a/build-macos-arm.xml
+++ b/build-macos-arm.xml
@@ -298,7 +298,7 @@
             <arg value="--input"/>
             <arg value="${binariesFolder}/${macosxFolder}" />
             <arg value="--app-version"/>
-            <arg value="1.8.90" />
+            <arg value="1.8.91" />
             <arg value="--java-options"/>
             <arg value="-XstartOnFirstThread"/>
             <arg value="--runtime-image"/>
diff --git a/build-macos.xml b/build-macos.xml
index c163f21e..a704403b 100644
--- a/build-macos.xml
+++ b/build-macos.xml
@@ -298,7 +298,7 @@
             <arg value="--input"/>
             <arg value="${binariesFolder}/${macosxFolder}" />
             <arg value="--app-version"/>
-            <arg value="1.8.90" />
+            <arg value="1.8.91" />
             <arg value="--java-options"/>
             <arg value="-XstartOnFirstThread"/>
             <arg value="--runtime-image"/>
diff --git a/build-windows.xml b/build-windows.xml
index 16f69ac2..2fc8175b 100644
--- a/build-windows.xml
+++ b/build-windows.xml
@@ -297,7 +297,7 @@
             <arg value="--input"/>
             <arg value="${binariesFolder}/${windowsFolder}" />
             <arg value="--app-version"/>
-            <arg value="1.8.90" />
+            <arg value="1.8.91" />
             <arg value="--runtime-image"/>
             <arg value="${binariesFolder}/jvm-image" />
             <arg value="--temp"/>
diff --git a/src/org/nschmidt/ldparteditor/i18n/Version.properties b/src/org/nschmidt/ldparteditor/i18n/Version.properties
index 0d714a46..e219f69a 100644
--- a/src/org/nschmidt/ldparteditor/i18n/Version.properties
+++ b/src/org/nschmidt/ldparteditor/i18n/Version.properties
@@ -2,4 +2,4 @@ CONTRIBUTORS     = Peter Bartfai, Kai Burjack, L. Paul Chew, Travis Cobbs, Marti
 DEVELOPMENT_LEAD = Nils Schmidt, 2012-2025
 STAGE            = Production
 TESTERS          = Magnus Forsberg, Philippe Hurbain, J.C. Tchang, Willy Tschager, Gerald Lasser, Fredrik Hareide
-VERSION          = 1.8.90
\ No newline at end of file
+VERSION          = 1.8.91
\ No newline at end of file