diff --git a/srcpkgs/logisim-evolution/files/logisim-evolution b/srcpkgs/logisim-evolution/files/logisim-evolution
index 0be63c6ec1d..48f3b1eb955 100644
--- a/srcpkgs/logisim-evolution/files/logisim-evolution
+++ b/srcpkgs/logisim-evolution/files/logisim-evolution
@@ -1,5 +1,4 @@
 #!/bin/sh
 
-export JAVA_HOME=/usr/lib/jvm/openjdk17
+export JAVA_HOME=/usr/lib/jvm/openjdk21
 $JAVA_HOME/bin/java -jar /usr/lib/logisim-evolution/logisim-evolution.jar $@
-
diff --git a/srcpkgs/logisim-evolution/patches/version.patch b/srcpkgs/logisim-evolution/patches/version.patch
new file mode 100644
index 00000000000..bc1b51e99ae
--- /dev/null
+++ b/srcpkgs/logisim-evolution/patches/version.patch
@@ -0,0 +1,13 @@
+diff --git a/gradle.properties b/gradle.properties
+index 68194ddc9..5aea29138 100644
+--- a/gradle.properties
++++ b/gradle.properties
+@@ -11,7 +11,7 @@ name = logisim-evolution
+ # * For non-stable builds use anything that reflects build state (i.e. "dev", "beta1", "rc1").
+ #
+ # NOTE: if you use suffix, you MUST separate it from the version number with a hypen.
+-version = 3.9.0-dev
++version = 3.9.0
+ 
+ # Project website URL (the shorter the better)
+ url = https://github.com/logisim-evolution/
diff --git a/srcpkgs/logisim-evolution/template b/srcpkgs/logisim-evolution/template
index 2fcf572a358..f6f37b6d58a 100644
--- a/srcpkgs/logisim-evolution/template
+++ b/srcpkgs/logisim-evolution/template
@@ -1,16 +1,16 @@
 # Template file for 'logisim-evolution'
 pkgname=logisim-evolution
-version=3.8.0
+version=3.9.0
 revision=1
-hostmakedepends="openjdk17 gradle"
-depends="openjdk17-jre"
+hostmakedepends="openjdk21 gradle"
+depends="openjdk21-jre"
 short_desc="Digital logic design tool and simulator"
 maintainer="voidbert <humbertogilgomes@protonmail.com>"
 license="GPL-3.0-or-later"
 homepage="https://github.com/logisim-evolution/logisim-evolution"
 changelog="https://github.com/logisim-evolution/logisim-evolution/raw/master/CHANGES.md"
 distfiles="https://github.com/logisim-evolution/logisim-evolution/archive/refs/tags/v${version}.tar.gz"
-checksum=7a49558a490a0df886b3ea488f12e4ea887a2ec8c278872dca39b2bebfaed3ee
+checksum=def2aa2f76545c1580d473b7a7f9259507bb2d2aae91a8d30ec903550780ecfc
 
 do_build() {
 	. /etc/profile.d/jdk.sh