diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index dc7d268..b0eeef2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -52,7 +52,7 @@ jobs:
 
     - name: Download OPA
       run: |
-        OPA_VERSION=v0.47.4
+        OPA_VERSION=v0.59.0
         mkdir -p /tmp/opa_bin
         curl -L -o /tmp/opa_bin/opa https://github.com/open-policy-agent/opa/releases/download/$OPA_VERSION/opa_linux_amd64
         chmod +x /tmp/opa_bin/opa
@@ -96,10 +96,10 @@ jobs:
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
 
-      - name: Verify plugin binany compatibility
+      - name: Verify plugin binary compatibility
         run: ./gradlew :plugin:runPluginVerifier
 
-  # This job is successful if all depend jobs are successful. To be able to merge the PR, this job must be successful
+  # This job is successful if all dependent jobs are successful. To be able to merge the PR, this job must be successful
   all-checks:
     needs: [build, check-license, check-gradle-wrapper, verify]
     runs-on: ubuntu-latest
diff --git a/build.gradle.kts b/build.gradle.kts
index f88218d..3e141f6 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -43,9 +43,9 @@ idea {
 
 plugins {
     idea
-    kotlin("jvm") version "1.9.0"
-    id("org.jetbrains.intellij") version "1.15.0"
-    id("org.jetbrains.grammarkit") version "2021.2.2"
+    kotlin("jvm") version "1.9.21"
+    id("org.jetbrains.intellij") version "1.16.1"
+    id("org.jetbrains.grammarkit") version "2022.3.1"
 }
 
 allprojects {
@@ -176,7 +176,7 @@ project(":") {
     }
 
     val generateRegoLexer = task<GenerateLexerTask>("generateRegoLexer") {
-        source.set("src/main/grammar/RegoLexer.flex")
+        sourceFile.set(file("src/main/grammar/RegoLexer.flex"))
         targetDir.set("src/main/gen/org/openpolicyagent/ideaplugin/lang/lexer")
         targetClass.set("_RegoLexer")
         purgeOldFiles.set(true)
@@ -184,7 +184,7 @@ project(":") {
 
 
     val generateRegoParser = task<GenerateParserTask>("generateRegoParser") {
-        source.set("src/main/grammar/Rego.bnf")
+        sourceFile.set(file("src/main/grammar/Rego.bnf"))
         targetRoot.set("src/main/gen")
         pathToParser.set("/org/openpolicyagent/ideaplugin/lang/parser/RegoParser.java")
         pathToPsiRoot.set("/org/openpolicyagent/ideaplugin/lang/psi")
diff --git a/gradle.properties b/gradle.properties
index 38f2328..1f4bc2d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,13 +9,13 @@ kotlin.code.style=official
 baseIDE=idea
 
 # if you change the version of ide, also change psiViewerPluginVersion accordingly (cf https://plugins.jetbrains.com/plugin/227-psiviewer/versions)
-ideaVersion=IC-2023.1
-pycharmCommunityVersion=PC-2023.1
-psiViewerPluginVersion=231-SNAPSHOT
+ideaVersion=IC-2023.2
+pycharmCommunityVersion=PC-2023.2
+psiViewerPluginVersion=232.2
 
 # see https://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/build_number_ranges.html for more information
-sinceBuild=231
-untilBuild=232.*
+sinceBuild=232
+untilBuild=233.*
 
 # these two variables will be overwritten by the release process (i.e. the GitHub action) thanks to the env variables:
 #   - ORG_GRADLE_PROJECT_publishToken
diff --git a/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/OpaEvalRunConfiguration.kt b/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/OpaEvalRunConfiguration.kt
index 25525bd..1e2f054 100644
--- a/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/OpaEvalRunConfiguration.kt
+++ b/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/OpaEvalRunConfiguration.kt
@@ -11,7 +11,6 @@ import com.intellij.execution.runners.ExecutionEnvironment
 import com.intellij.openapi.options.SettingsEditor
 import com.intellij.openapi.project.Project
 import com.intellij.util.execution.ParametersListUtil
-import com.intellij.util.io.isFile
 import org.jdom.Element
 import org.openpolicyagent.ideaplugin.ide.runconfig.ui.OpaEvalRunCommandEditor
 import org.openpolicyagent.ideaplugin.openapiext.readPath
@@ -19,12 +18,13 @@ import org.openpolicyagent.ideaplugin.openapiext.readString
 import org.openpolicyagent.ideaplugin.openapiext.writePath
 import org.openpolicyagent.ideaplugin.openapiext.writeString
 import java.nio.file.Path
+import kotlin.io.path.isRegularFile
 
 /**
  * the opa eval configuration
  *
- * we don't use the options mechanism to persist configuration like in tutorial because its create another class a bit
- * painful to maintain and we had some problems on the restore of parameters
+ * we don't use the options mechanism to persist configuration like in tutorial because it creates another class a bit
+ * painful to maintain, and we had some problems on the restore of parameters
  *
  * @link https://www.jetbrains.org/intellij/sdk/docs/basics/run_configurations.html
  */
@@ -75,7 +75,7 @@ class OpaEvalRunConfiguration(
             throw RuntimeConfigurationError("Query can not be empty")
         }
 
-        if (input == null || !input!!.isFile()) {
+        if (input == null || !input!!.isRegularFile()) {
             throw RuntimeConfigurationError("Input must be a path to a file")
         }
 
@@ -90,7 +90,7 @@ class OpaEvalRunConfiguration(
         }
 
         bundleDir?.let {
-            if (it.isFile()) {
+            if (it.isRegularFile()) {
                 throw RuntimeConfigurationError("Bundle directory must be a directory")
             }
         }
diff --git a/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/test/OpaTestRunConfiguration.kt b/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/test/OpaTestRunConfiguration.kt
index e5084c4..6867e08 100644
--- a/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/test/OpaTestRunConfiguration.kt
+++ b/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/test/OpaTestRunConfiguration.kt
@@ -11,7 +11,7 @@ import com.intellij.execution.runners.ExecutionEnvironment
 import com.intellij.openapi.options.SettingsEditor
 import com.intellij.openapi.project.Project
 import com.intellij.util.execution.ParametersListUtil
-import com.intellij.util.io.isFile
+import kotlin.io.path.isRegularFile
 import org.jdom.Element
 import org.openpolicyagent.ideaplugin.ide.runconfig.test.ui.OpaTestRunCommandEditor
 import org.openpolicyagent.ideaplugin.openapiext.readPath
@@ -23,8 +23,8 @@ import java.nio.file.Path
 /**
  * the opa test configuration
  *
- * we don't use the options mechanism to persist configuration like in tutorial because its create another class a bit
- * painful to maintain and we had some problems on the restore of parameters
+ * we don't use the options mechanism to persist configuration like in tutorial because it creates another class a bit
+ * painful to maintain, and we had some problems on the restore of parameters
  *
  * @link https://www.jetbrains.org/intellij/sdk/docs/basics/run_configurations.html
  */
@@ -63,7 +63,7 @@ class OpaTestRunConfiguration(
             throw RuntimeConfigurationError("Only format option (-f or --format) = pretty is handle by plugin")
         }
 
-        if (bundleDir == null || bundleDir!!.isFile()) {
+        if (bundleDir == null || bundleDir!!.isRegularFile()) {
             throw RuntimeConfigurationError("Bundle directory must be a directory")
         }
     }
diff --git a/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/test/ui/OpaTestRunCommandEditor.kt b/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/test/ui/OpaTestRunCommandEditor.kt
index e6286d5..812f710 100644
--- a/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/test/ui/OpaTestRunCommandEditor.kt
+++ b/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/test/ui/OpaTestRunCommandEditor.kt
@@ -18,8 +18,8 @@ import com.intellij.openapi.roots.ProjectRootManager
 import com.intellij.openapi.ui.TextBrowseFolderListener
 import com.intellij.openapi.ui.TextFieldWithBrowseButton
 import com.intellij.ui.RawCommandLineEditor
+import com.intellij.ui.dsl.builder.AlignX
 import com.intellij.ui.dsl.builder.panel
-import com.intellij.ui.dsl.gridLayout.HorizontalAlign
 import com.intellij.util.text.nullize
 import org.openpolicyagent.ideaplugin.ide.runconfig.test.OpaTestRunConfiguration
 import java.nio.file.Path
@@ -42,15 +42,15 @@ class OpaTestRunCommandEditor(private val project: Project) : SettingsEditor<Opa
 
     override fun createEditor() = panel {
         row("Bundle:") {
-            cell(bundle).horizontalAlign(HorizontalAlign.FILL)
+            cell(bundle).align(AlignX.FILL)
         }
 
         row("Additional Args:") {
-            cell(additionalArgs).horizontalAlign(HorizontalAlign.FILL)
+            cell(additionalArgs).align(AlignX.FILL)
         }
 
         row(environmentVariables.label) {
-            cell(environmentVariables).horizontalAlign(HorizontalAlign.FILL)
+            cell(environmentVariables).align(AlignX.FILL)
         }
     }
 
diff --git a/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/ui/OpaEvalRunCommandEditor.kt b/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/ui/OpaEvalRunCommandEditor.kt
index b0b5ad7..2cf0a79 100644
--- a/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/ui/OpaEvalRunCommandEditor.kt
+++ b/src/main/kotlin/org/openpolicyagent/ideaplugin/ide/runconfig/ui/OpaEvalRunCommandEditor.kt
@@ -15,7 +15,7 @@ import com.intellij.openapi.ui.TextBrowseFolderListener
 import com.intellij.openapi.ui.TextFieldWithBrowseButton
 import com.intellij.ui.RawCommandLineEditor
 import com.intellij.ui.components.JBTextField
-import com.intellij.ui.dsl.gridLayout.HorizontalAlign
+import com.intellij.ui.dsl.builder.AlignX
 import com.intellij.ui.dsl.builder.panel
 import com.intellij.util.text.nullize
 import org.openpolicyagent.ideaplugin.ide.runconfig.OpaEvalRunConfiguration
@@ -49,23 +49,23 @@ class OpaEvalRunCommandEditor(private val project: Project) : SettingsEditor<Opa
 
     override fun createEditor() = panel {
         row("Query:") {
-            cell(query).horizontalAlign(HorizontalAlign.FILL)
+            cell(query).align(AlignX.FILL)
         }
 
         row("Input:") {
-            cell(input).horizontalAlign(HorizontalAlign.FILL)
+            cell(input).align(AlignX.FILL)
         }
 
         row("Bundle:") {
-            cell(bundle).horizontalAlign(HorizontalAlign.FILL)
+            cell(bundle).align(AlignX.FILL)
         }
 
         row("Additional Args:") {
-            cell(additionalArgs).horizontalAlign(HorizontalAlign.FILL)
+            cell(additionalArgs).align(AlignX.FILL)
         }
 
         row(environmentVariables.label) {
-            cell(environmentVariables).horizontalAlign(HorizontalAlign.FILL)
+            cell(environmentVariables).align(AlignX.FILL)
         }
     }
 
diff --git a/src/main/kotlin/org/openpolicyagent/ideaplugin/opa/project/settings/OpaOptionsConfigurable.kt b/src/main/kotlin/org/openpolicyagent/ideaplugin/opa/project/settings/OpaOptionsConfigurable.kt
index 64cdf38..552e3a5 100644
--- a/src/main/kotlin/org/openpolicyagent/ideaplugin/opa/project/settings/OpaOptionsConfigurable.kt
+++ b/src/main/kotlin/org/openpolicyagent/ideaplugin/opa/project/settings/OpaOptionsConfigurable.kt
@@ -8,8 +8,8 @@ package org.openpolicyagent.ideaplugin.opa.project.settings
 import com.intellij.openapi.options.BoundSearchableConfigurable
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.ui.DialogPanel
+import com.intellij.ui.dsl.builder.AlignX
 import com.intellij.ui.dsl.builder.bindText
-import com.intellij.ui.dsl.gridLayout.HorizontalAlign
 
 import com.intellij.ui.dsl.builder.panel
 
@@ -27,7 +27,7 @@ class OpaOptionsConfigurable(private val project: Project) :
             row("OPA check options:") {
                textField()
                     .bindText(settings::opaCheckOptions)
-                   .horizontalAlign(HorizontalAlign.FILL)
+                   .align(AlignX.FILL)
             }
         }
     }
diff --git a/src/main/kotlin/org/openpolicyagent/ideaplugin/openapiext/utils.kt b/src/main/kotlin/org/openpolicyagent/ideaplugin/openapiext/utils.kt
index e175749..ee87847 100644
--- a/src/main/kotlin/org/openpolicyagent/ideaplugin/openapiext/utils.kt
+++ b/src/main/kotlin/org/openpolicyagent/ideaplugin/openapiext/utils.kt
@@ -35,8 +35,8 @@ import com.intellij.psi.*
 import com.intellij.psi.search.GlobalSearchScope
 import com.intellij.psi.stubs.StubIndex
 import com.intellij.psi.stubs.StubIndexKey
-import com.intellij.reference.SoftReference
 import org.openpolicyagent.ideaplugin.lang.psi.isNotRegoFile
+import java.lang.ref.SoftReference
 import java.lang.reflect.Field
 import java.nio.file.Path
 import java.nio.file.Paths