diff --git a/build.xml b/build.xml
index f5529f25..b349c320 100644
--- a/build.xml
+++ b/build.xml
@@ -1949,8 +1949,8 @@
         <depends>jetbrains.mps.build</depends>
         <depends>jetbrains.mps.ide.java</depends>
         <depends>com.intellij.modules.platform</depends>
-        <idea-version since-build="253.27864" until-build="253.*" />
-        <change-notes><![CDATA[<ul><li>Compatible with upcoming 2025.3 release of MPS</li></ul>]]></change-notes>
+        <idea-version since-build="261.23567" until-build="261.*" />
+        <change-notes><![CDATA[<ul><li>Compatible with upcoming 2026.1 release of MPS</li></ul>]]></change-notes>
         <extensions defaultExtensionNs="com.intellij">          
           <applicationConfigurable groupId="other" groupWeight="200" instance="jetbrains.mps.coderules.ideaplugin.TypecheckingSettingsPage" id="preferences.typecheckingSettings" displayName="Typechecking" />
           <statusBarWidgetFactory implementation="jetbrains.mps.coderules.ideaplugin.TypecheckingWidget$Factory" id="TypecheckingWidget" order="before notificationsWidget"></statusBarWidgetFactory>
@@ -3510,8 +3510,8 @@
         <depends>jetbrains.mps.build</depends>
         <depends>jetbrains.mps.ide.java</depends>
         <depends>com.intellij.modules.platform</depends>
-        <idea-version since-build="253.27864" until-build="253.*" />
-        <change-notes><![CDATA[<ul><li>Compatible with upcoming 2025.3 release of MPS</li></ul>]]></change-notes>
+        <idea-version since-build="261.23567" until-build="261.*" />
+        <change-notes><![CDATA[<ul><li>Compatible with upcoming 2026.1 release of MPS</li></ul>]]></change-notes>
         <extensions defaultExtensionNs="com.intellij">          
           <applicationConfigurable groupId="other" groupWeight="200" instance="jetbrains.mps.coderules.ideaplugin.TypecheckingSettingsPage" id="preferences.typecheckingSettings" displayName="Typechecking" />
           <statusBarWidgetFactory implementation="jetbrains.mps.coderules.ideaplugin.TypecheckingWidget$Factory" id="TypecheckingWidget" order="before notificationsWidget"></statusBarWidgetFactory>
diff --git a/coderules/solutions/jetbrains.mps.coderules.build/models/jetbrains.mps.coderules.build.mps b/coderules/solutions/jetbrains.mps.coderules.build/models/jetbrains.mps.coderules.build.mps
index 8fe66b0e..08f5abcb 100644
--- a/coderules/solutions/jetbrains.mps.coderules.build/models/jetbrains.mps.coderules.build.mps
+++ b/coderules/solutions/jetbrains.mps.coderules.build/models/jetbrains.mps.coderules.build.mps
@@ -334,20 +334,20 @@
         <node concept="2pNUuL" id="5Hdh9$IhmW_" role="2pNNFR">
           <property role="2pNUuO" value="since-build" />
           <node concept="2pMdtt" id="5Hdh9$IhnkA" role="2pMdts">
-            <property role="2pMdty" value="253.27864" />
+            <property role="2pMdty" value="261.23567" />
           </node>
         </node>
         <node concept="2pNUuL" id="1bhjPJMlozs" role="2pNNFR">
           <property role="2pNUuO" value="until-build" />
           <node concept="2pMdtt" id="1bhjPJMlozt" role="2pMdts">
-            <property role="2pMdty" value="253.*" />
+            <property role="2pMdty" value="261.*" />
           </node>
         </node>
       </node>
       <node concept="2pNNFK" id="2fVm_54SZ$e" role="20twgj">
         <property role="2pNNFO" value="change-notes" />
         <node concept="2pNm8S" id="2p5jUSWfCr8" role="3o6s8t">
-          <property role="3o6aOc" value="&lt;ul&gt;&lt;li&gt;Compatible with upcoming 2025.3 release of MPS&lt;/li&gt;&lt;/ul&gt;" />
+          <property role="3o6aOc" value="&lt;ul&gt;&lt;li&gt;Compatible with upcoming 2026.1 release of MPS&lt;/li&gt;&lt;/ul&gt;" />
         </node>
       </node>
       <node concept="2pNNFK" id="2CPBoDATrZn" role="20twgj">
diff --git a/samples/mpscore/build.xml b/samples/mpscore/build.xml
index 14a2c316..c374f448 100644
--- a/samples/mpscore/build.xml
+++ b/samples/mpscore/build.xml
@@ -5556,8 +5556,8 @@
         <depends>jetbrains.mps.build</depends>
         <depends>jetbrains.mps.kotlin</depends>
         <depends>com.intellij.modules.platform</depends>
-        <idea-version since-build="253.27864" until-build="253.*" />
-        <change-notes><![CDATA[<ul><li>Compatible with upcoming 2025.3 release of MPS</li></ul>]]></change-notes>
+        <idea-version since-build="261.23567" until-build="261.*" />
+        <change-notes><![CDATA[<ul><li>Compatible with upcoming 2026.1 release of MPS</li></ul>]]></change-notes>
         
         <extensions defaultExtensionNs="com.intellij">
           <mps.LanguageLibrary dir="/languages" />
diff --git a/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps b/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps
index 09ed6205..5b1c398d 100644
--- a/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps
+++ b/samples/mpscore/solutions/samples.mpscore.build/models/samples.mpscore.build.mps
@@ -286,20 +286,20 @@
         <node concept="2pNUuL" id="1bhjPJMlp4b" role="2pNNFR">
           <property role="2pNUuO" value="since-build" />
           <node concept="2pMdtt" id="1bhjPJMlp4c" role="2pMdts">
-            <property role="2pMdty" value="253.27864" />
+            <property role="2pMdty" value="261.23567" />
           </node>
         </node>
         <node concept="2pNUuL" id="1bhjPJMlozs" role="2pNNFR">
           <property role="2pNUuO" value="until-build" />
           <node concept="2pMdtt" id="1bhjPJMlozt" role="2pMdts">
-            <property role="2pMdty" value="253.*" />
+            <property role="2pMdty" value="261.*" />
           </node>
         </node>
       </node>
       <node concept="2pNNFK" id="2fVm_54SZ$e" role="20twgj">
         <property role="2pNNFO" value="change-notes" />
         <node concept="2pNm8S" id="2p5jUSWfCr8" role="3o6s8t">
-          <property role="3o6aOc" value="&lt;ul&gt;&lt;li&gt;Compatible with upcoming 2025.3 release of MPS&lt;/li&gt;&lt;/ul&gt;" />
+          <property role="3o6aOc" value="&lt;ul&gt;&lt;li&gt;Compatible with upcoming 2026.1 release of MPS&lt;/li&gt;&lt;/ul&gt;" />
         </node>
       </node>
       <node concept="m$_yC" id="77GimjbRIwv" role="m$_yJ">