diff --git a/pkgs/development/compilers/crystal/default.nix b/pkgs/development/compilers/crystal/default.nix
index d89d7fa66851..5c24c6649580 100644
--- a/pkgs/development/compilers/crystal/default.nix
+++ b/pkgs/development/compilers/crystal/default.nix
@@ -19,6 +19,7 @@
   llvmPackages_19,
   llvmPackages_20,
   llvmPackages_21,
+  llvmPackages_22,
   makeWrapper,
   openssl,
   pcre2,
@@ -332,5 +333,13 @@ rec {
     doCheck = false;
   };
 
-  crystal = crystal_1_18;
+  crystal_1_19 = generic {
+    version = "1.19.1";
+    sha256 = "sha256-vMS2GJb6c6RvflDSS2EWHsERJ0rvzZMVm50gaTXRs4Y=";
+    binary = binaryCrystal_1_10;
+    llvmPackages = llvmPackages_22;
+    doCheck = false;
+  };
+
+  crystal = crystal_1_19;
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 33d2fdea20f6..fa357ead5f9b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4023,6 +4023,7 @@ with pkgs;
     crystal_1_16
     crystal_1_17
     crystal_1_18
+    crystal_1_19
     crystal
     ;