diff --git a/pkgs/applications/misc/josm/default.nix b/pkgs/applications/misc/josm/default.nix
index 3c3fc200c114..6b5ce0b3c44d 100644
--- a/pkgs/applications/misc/josm/default.nix
+++ b/pkgs/applications/misc/josm/default.nix
@@ -3,22 +3,29 @@
 }:
 let
   pname = "josm";
-  version = "18969";
+  version = "19017";
   srcs = {
     jar = fetchurl {
       url = "https://josm.openstreetmap.de/download/josm-snapshot-${version}.jar";
-      hash = "sha256-a8muRwE4+9WdYVz7lYE9dRnqVIGQxL8cFmIdBr2R65U=";
+      hash = "sha256-+PSsvauVe+e+qB7sz9AFmC/dZhWHFHe0zWYPEhgvRIQ=";
     };
     macosx = fetchurl {
       url = "https://josm.openstreetmap.de/download/macosx/josm-macos-${version}-java17.zip";
-      hash = "sha256-npXY7WJM1+9ygeAw102UtimnI/yXqs5vgPnatm4AIrI=";
+      hash = "sha256-QYvAC+W7gHC5unwfcbQ0sz5U1VkMwIIUkDWQK9vDe2A=";
     };
     pkg = fetchsvn {
       url = "https://josm.openstreetmap.de/svn/trunk/native/linux/tested";
       rev = version;
-      sha256 = "sha256-RFZGRTDdWP/goH/Ev16nhq1SjxYkfFr3djwSrotK7Fo=";
+      sha256 = "sha256-Pb4EAyvERz6kP3EmkgmUy/58KQHhBJmZJvpAj72GCIk=";
     };
   };
+
+  # Needed as of version 19017.
+  baseJavaOpts = toString [
+    "--add-exports=java.base/sun.security.action=ALL-UNNAMED"
+    "--add-exports=java.desktop/com.sun.imageio.plugins.jpeg=ALL-UNNAMED"
+    "--add-exports=java.desktop/com.sun.imageio.spi=ALL-UNNAMED"
+  ];
 in
 stdenv.mkDerivation rec {
   inherit pname version;
@@ -38,7 +45,7 @@ stdenv.mkDerivation rec {
 
       # Add libXxf86vm to path because it is needed by at least Kendzi3D plugin
       makeWrapper ${jre}/bin/java $out/bin/josm \
-        --add-flags "${extraJavaOpts} -jar $out/share/josm/josm.jar" \
+        --add-flags "${baseJavaOpts} ${extraJavaOpts} -jar $out/share/josm/josm.jar" \
         --prefix LD_LIBRARY_PATH ":" '${libXxf86vm}/lib'
     '';