diff --git a/pkgs/oizys-nim/default.nix b/pkgs/oizys-nim/default.nix
index cdf5551..38b4b56 100644
--- a/pkgs/oizys-nim/default.nix
+++ b/pkgs/oizys-nim/default.nix
@@ -8,5 +8,5 @@ buildNimblePackage {
   verions = "unstable";
   src = lib.cleanSource ./.;
   nativeBuildInputs = [ openssl ];
-  nimbleDepsHash = "sha256-o+CN0LlVOcgjLpDfjItW/5GCXTWcPSx9GfwQn+u2ST4=";
+  nimbleDepsHash = "sha256-A2sQy4x+QyqltV7B1rRh7uRPvv7pDtVNOXZZl5LrHCY=";
 }
diff --git a/pkgs/oizys-nim/nimble.lock b/pkgs/oizys-nim/nimble.lock
index ff51e83..3ce63f1 100644
--- a/pkgs/oizys-nim/nimble.lock
+++ b/pkgs/oizys-nim/nimble.lock
@@ -13,12 +13,12 @@
     },
     "hwylterm": {
       "version": "0.1.0",
-      "vcsRevision": "9afc339a9791f25010ea89a4f52204ad8eeda858",
+      "vcsRevision": "c2bcfd1f73dda97bd3e209c89e2abfe588f0977c",
       "url": "https://github.com/daylinmorgan/hwylterm",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
-        "sha1": "853c67ee7f789d825ec6f46c9fbae68e03e43cdb"
+        "sha1": "1932229840c893c39acca0b50def19913678f5f0"
       }
     },
     "jsony": {
diff --git a/pkgs/oizys-nim/oizys.nimble b/pkgs/oizys-nim/oizys.nimble
index 93d0d82..317d2fe 100644
--- a/pkgs/oizys-nim/oizys.nimble
+++ b/pkgs/oizys-nim/oizys.nimble
@@ -14,5 +14,5 @@ requires "nim >= 2.0.8"
 requires "cligen"
 requires "jsony"
 requires "zippy"
-requires "https://github.com/daylinmorgan/hwylterm#9afc339"
+requires "https://github.com/daylinmorgan/hwylterm#HEAD"