diff --git a/build.gradle.kts b/build.gradle.kts
index af40ec8f..a2bf5faf 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -9,9 +9,9 @@ plugins {
   // Java support
   id("java")
   // Kotlin support
-  id("org.jetbrains.kotlin.jvm") version "1.7.10"
+  id("org.jetbrains.kotlin.jvm") version "2.0.0-Beta2"
   // gradle-intellij-plugin - read more: https://github.com/JetBrains/gradle-intellij-plugin
-  id("org.jetbrains.intellij") version "1.9.0"
+  id("org.jetbrains.intellij") version "1.16.1"
   // gradle-changelog-plugin - read more: https://github.com/JetBrains/gradle-changelog-plugin
   id("org.jetbrains.changelog") version "1.3.1"
   // detekt linter - read more: https://detekt.github.io/detekt/gradle.html
@@ -119,7 +119,7 @@ tasks {
   }
   listOf("compileKotlin", "compileTestKotlin").forEach {
     getByName<KotlinCompile>(it) {
-      kotlinOptions.jvmTarget = "11"
+      kotlinOptions.jvmTarget = "17"
     }
   }
 
diff --git a/gradle.properties b/gradle.properties
index 99455296..3528a62e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,10 +11,10 @@ pluginSinceBuild = 211
 
 # Plugin Verifier integration -> https://github.com/JetBrains/gradle-intellij-plugin#plugin-verifier-dsl
 # See https://jb.gg/intellij-platform-builds-list for available build versions.
-pluginVerifierIdeVersions = 2021.1.3, 2021.2.3, 2021.3
+pluginVerifierIdeVersions = 2021.1.3, 2021.2.3, 2021.3, 2023.3
 
 platformType = IC
-platformVersion = 2021.3
+platformVersion = 2023.3
 platformDownloadSources = true
 
 # Opt-out flag for bundling Kotlin standard library.
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 442d9132..070cb702 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/org/intellij/plugins/markdown/ui/split/SplitTextEditorProvider.java b/src/org/intellij/plugins/markdown/ui/split/SplitTextEditorProvider.java
index e1e79505..1e2887c8 100644
--- a/src/org/intellij/plugins/markdown/ui/split/SplitTextEditorProvider.java
+++ b/src/org/intellij/plugins/markdown/ui/split/SplitTextEditorProvider.java
@@ -136,16 +136,11 @@ public FileEditorPolicy getPolicy() {
   public static Builder getBuilderFromEditorProvider(@NotNull final FileEditorProvider provider,
                                                      @NotNull final Project project,
                                                      @NotNull final VirtualFile file) {
-    if (provider instanceof AsyncFileEditorProvider) {
-      return ((AsyncFileEditorProvider)provider).createEditorAsync(project, file);
-    }
-    else {
       return new Builder() {
         @Override
         public FileEditor build() {
           return provider.createEditor(project, file);
         }
       };
-    }
   }
 }