diff --git a/pkgs/development/compilers/crystal/default.nix b/pkgs/development/compilers/crystal/default.nix
index 18f6da39b25..330cf851ab1 100644
--- a/pkgs/development/compilers/crystal/default.nix
+++ b/pkgs/development/compilers/crystal/default.nix
@@ -25,11 +25,6 @@
 , zlib
 }:
 
-# We need multiple binaries as a given binary isn't always able to build
-# (even slightly) older or newer versions.
-# - 0.26.1 can build 0.25.x and 0.26.x but not 0.27.x
-# - 0.27.2 can build 0.27.x but not 0.25.x, 0.26.x and 0.29.x
-#
 # We need to keep around at least the latest version released with a stable
 # NixOS
 let
@@ -241,8 +236,8 @@ rec {
   };
 
   crystal_1_2 = generic {
-    version = "1.2.1";
-    sha256 = "sha256-jyNmY3n+u8WoVqHY8B5H9Vr9Ix3RogCtm8irkXZ3aek=";
+    version = "1.2.2";
+    sha256 = "sha256-nyOXhsutVBRdtJlJHe2dALl//BUXD1JeeQPgHU4SwiU=";
     binary = crystal_1_1;
   };