diff --git a/gnu/packages/geo.scm b/gnu/packages/geo.scm
index a33d446201..dbc8440141 100644
--- a/gnu/packages/geo.scm
+++ b/gnu/packages/geo.scm
@@ -1940,7 +1940,7 @@ to the OSM opening hours specification.")
 (define-public josm
   (package
     (name "josm")
-    (version "18646")
+    (version "18822")
     (source (origin
               (method svn-fetch)
               (uri (svn-reference
@@ -1949,7 +1949,7 @@ to the OSM opening hours specification.")
                      (recursive? #f)))
               (sha256
                (base32
-                "0zr3p1i39wi0f29lgb3xrnv6lijrq5ia8jxn4wnq1yz0xdlbg98i"))
+                "0b4q6n3jbqrh7dsfmcf2g0xdd1wjj62sjq8lwvggvrpqlk1fyn1b"))
               (file-name (string-append name "-" version "-checkout"))
               (modules '((guix build utils)))
             (snippet
@@ -1963,17 +1963,18 @@ to the OSM opening hours specification.")
      (list java-commons-jcs
            java-commons-compress
            java-jmapviewer
-           java-jsonp-api
-           java-jsonp-impl ; runtime dependency
+           java-jakarta-json
            java-jsr305
            java-metadata-extractor
            java-opening-hours-parser
            java-openjfx-media
+           java-parsson ; runtime dependency
            java-signpost-core
            java-svg-salamander))
     (arguments
      `(#:tests? #f
        #:jar-name "josm.jar"
+       #:jdk ,openjdk11
        #:phases
        (modify-phases %standard-phases
          (add-after 'unpack 'rm-build.xml