diff --git a/pkgs/applications/editors/jetbrains/source/build.nix b/pkgs/applications/editors/jetbrains/source/build.nix
index 41550a6303a9..ad44e4ab435f 100644
--- a/pkgs/applications/editors/jetbrains/source/build.nix
+++ b/pkgs/applications/editors/jetbrains/source/build.nix
@@ -32,6 +32,13 @@
 }:
 
 let
+  kotlin_2_0_21 = kotlin.overrideAttrs (oldAttrs: {
+    version = "2.0.21";
+    src = fetchurl {
+      url = oldAttrs.src.url;
+      sha256 = "sha256-A1LApFvSL4D2sm5IXNBNqAR7ql3lSGUoH7n4mkp7zyo=";
+    };
+  });
 
   jbr = jetbrains.jdk-no-jcef-17;
 
@@ -147,7 +154,7 @@ let
     sourceRoot = "${src.name}/platform/jps-bootstrap";
     nativeBuildInputs = [ ant makeWrapper jbr ];
     patches = [ ../patches/kotlinc-path.patch ];
-    postPatch = "sed -i 's|KOTLIN_PATH_HERE|${kotlin}|' src/main/java/org/jetbrains/jpsBootstrap/KotlinCompiler.kt";
+    postPatch = "sed -i 's|KOTLIN_PATH_HERE|${kotlin_2_0_21}|' src/main/java/org/jetbrains/jpsBootstrap/KotlinCompiler.kt";
     buildPhase = ''
       runHook preInstall
 
@@ -234,7 +241,7 @@ stdenvNoCC.mkDerivation rec {
     substituteInPlace \
       platform/build-scripts/src/org/jetbrains/intellij/build/kotlin/KotlinCompilerDependencyDownloader.kt \
       --replace-fail 'JPS_PLUGIN_CLASSPATH_HERE' '${kotlin-jps-plugin-classpath}' \
-      --replace-fail 'KOTLIN_PATH_HERE' '${kotlin}'
+      --replace-fail 'KOTLIN_PATH_HERE' '${kotlin_2_0_21}'
     substituteInPlace \
       platform/build-scripts/downloader/src/org/jetbrains/intellij/build/dependencies/JdkDownloader.kt \
       --replace-fail 'JDK_PATH_HERE' '${jbr}/lib/openjdk'
@@ -259,7 +266,7 @@ stdenvNoCC.mkDerivation rec {
     export JPS_BOOTSTRAP_COMMUNITY_HOME=/build/source
     jps-bootstrap \
       -Dbuild.number=${buildNumber} \
-      -Djps.kotlin.home=${kotlin} \
+      -Djps.kotlin.home=${kotlin_2_0_21} \
       -Dintellij.build.target.os=linux \
       -Dintellij.build.target.arch=x64 \
       -Dintellij.build.skip.build.steps=mac_artifacts,mac_dmg,mac_sit,windows_exe_installer,windows_sign,repair_utility_bundle_step,sources_archive \
@@ -275,7 +282,7 @@ stdenvNoCC.mkDerivation rec {
     runHook preBuild
 
     java \
-      -Djps.kotlin.home=${kotlin} \
+      -Djps.kotlin.home=${kotlin_2_0_21} \
       "@java_argfile"
 
     runHook postBuild
diff --git a/pkgs/development/compilers/kotlin/default.nix b/pkgs/development/compilers/kotlin/default.nix
index 32d75157dd7c..329e1a731e5a 100644
--- a/pkgs/development/compilers/kotlin/default.nix
+++ b/pkgs/development/compilers/kotlin/default.nix
@@ -1,11 +1,11 @@
 { lib, stdenv, fetchurl, makeWrapper, jre, unzip }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "kotlin";
   version = "2.1.0";
 
   src = fetchurl {
-    url = "https://github.com/JetBrains/kotlin/releases/download/v${version}/kotlin-compiler-${version}.zip";
+    url = "https://github.com/JetBrains/kotlin/releases/download/v${finalAttrs.version}/kotlin-compiler-${finalAttrs.version}.zip";
     sha256 = "sha256-tmmNVyitj57c3QFhfWOAcxkdigMTnMU4o5G043Wa0pc=";
   };
 
@@ -40,4 +40,4 @@ stdenv.mkDerivation rec {
     maintainers = with lib.maintainers; [ SubhrajyotiSen ];
     platforms = lib.platforms.all;
   };
-}
+})