diff --git a/flake.lock b/flake.lock
index 4d3a8dc..c719423 100644
--- a/flake.lock
+++ b/flake.lock
@@ -445,16 +445,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1735790175,
-        "narHash": "sha256-5J1ZfPNyniUK5D3Pt1aKuJ+/8vad3JPxCztBRY591N8=",
+        "lastModified": 1738805560,
+        "narHash": "sha256-jGy+0VDxQrgNhj+eX06FRhPP31V8QZVAM4j4yBosAGE=",
         "owner": "martinvonz",
         "repo": "jj",
-        "rev": "041c4fecb77434dd6720e7d7f1ce48d9575ac5f7",
+        "rev": "613742dfbbd89324b25672a75ef8ce9e671ae0d3",
         "type": "github"
       },
       "original": {
         "owner": "martinvonz",
-        "ref": "v0.25.0",
+        "ref": "v0.26.0",
         "repo": "jj",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index c042fa2..68eed45 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,7 +32,7 @@
     nim2nix.url = "github:daylinmorgan/nim2nix";
     utils.url = "git+https://git.dayl.in/daylin/utils.git";
     pixi.url = "github:daylinmorgan/pixi-flake";
-    jj.url = "github:martinvonz/jj/v0.25.0";
+    jj.url = "github:martinvonz/jj/v0.26.0";
     # roc.url ="github:roc-lang/roc/0.0.0-alpha2-rolling";
     roc.url ="github:roc-lang/roc/0.0.0-alpha2-rolling";