diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index bad2ecb11ca1..e29fae59c31e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4731,6 +4731,7 @@ with pkgs;
     crystal_1_11
     crystal_1_14
     crystal_1_15
+    crystal_1_16
     crystal_1_17
     crystal
     ;