diff --git a/tidepool/src/packages/foundation/xz/versions/5.4.3-bootstrap.nix b/tidepool/src/packages/foundation/xz/versions/5.4.3-bootstrap.nix
index 52b7fcd..f3ccf9b 100644
--- a/tidepool/src/packages/foundation/xz/versions/5.4.3-bootstrap.nix
+++ b/tidepool/src/packages/foundation/xz/versions/5.4.3-bootstrap.nix
@@ -10,7 +10,7 @@ in
       description = "A general-purpose data compression software, successor of LZMA.";
       homepage = "https://tukaani.org/xz";
       license = [
-        lib.licences.gpl2Plus
+        lib.licenses.gpl2Plus
         lib.licenses.lgpl21Plus
       ];
     };
diff --git a/tidepool/src/packages/foundation/xz/versions/5.4.3-stage1-passthrough.nix b/tidepool/src/packages/foundation/xz/versions/5.4.3-stage1-passthrough.nix
index 823569e..e5eb96a 100644
--- a/tidepool/src/packages/foundation/xz/versions/5.4.3-stage1-passthrough.nix
+++ b/tidepool/src/packages/foundation/xz/versions/5.4.3-stage1-passthrough.nix
@@ -28,7 +28,7 @@ in
       description = "A general-purpose data compression software, successor of LZMA.";
       homepage = "https://tukaani.org/xz";
       license = [
-        lib.licences.gpl2Plus
+        lib.licenses.gpl2Plus
         lib.licenses.lgpl21Plus
       ];
     };
diff --git a/tidepool/src/packages/foundation/xz/versions/5.4.3-stage1.nix b/tidepool/src/packages/foundation/xz/versions/5.4.3-stage1.nix
index 7b10f72..ba2b83f 100644
--- a/tidepool/src/packages/foundation/xz/versions/5.4.3-stage1.nix
+++ b/tidepool/src/packages/foundation/xz/versions/5.4.3-stage1.nix
@@ -20,7 +20,7 @@ in
       description = "A general-purpose data compression software, successor of LZMA.";
       homepage = "https://tukaani.org/xz";
       license = [
-        lib.licences.gpl2Plus
+        lib.licenses.gpl2Plus
         lib.licenses.lgpl21Plus
       ];
     };