diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c6de7d9..e85789d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,10 +15,10 @@ jobs:
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up JDK 17
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: '17'
           distribution: 'temurin'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8cad61b..049dfe4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,12 +21,12 @@ jobs:
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Set up JDK 17
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: '17'
           distribution: 'temurin'
diff --git a/.github/workflows/renovate.yml b/.github/workflows/renovate.yml
index a1a6d04..4b6d1a5 100644
--- a/.github/workflows/renovate.yml
+++ b/.github/workflows/renovate.yml
@@ -14,10 +14,10 @@ jobs:
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Renovate
-        uses: renovatebot/github-action@v38.1.0
+        uses: renovatebot/github-action@v39.2.3
         with:
           token: ${{ secrets.RENOVATE_TOKEN }}
           configurationFile: .github/config/renovate.js
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 2f51193..7d72831 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "1.8.21"
+kotlin = "1.9.22"
 
 [libraries]
 kotlin-bom = { module = "org.jetbrains.kotlin:kotlin-bom", version.ref = "kotlin" }
@@ -9,6 +9,6 @@ kotlin-test-junit = { module = "org.jetbrains.kotlin:kotlin-test-junit" }
 
 [plugins]
 kotlin = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
-ktlint = { id = "org.jlleitschuh.gradle.ktlint", version = "11.3.2" }
-gradle-publish = { id = "com.gradle.plugin-publish", version = "1.2.0" }
-sonarqube = { id = "org.sonarqube", version = "4.0.0.2929" }
\ No newline at end of file
+ktlint = { id = "org.jlleitschuh.gradle.ktlint", version = "12.0.3" }
+gradle-publish = { id = "com.gradle.plugin-publish", version = "1.2.1" }
+sonarqube = { id = "org.sonarqube", version = "4.4.1.3373" }
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index c1962a7..d64cd49 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 37aef8d..1af9e09 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index aeb74cb..1aa94a4 100755
--- a/gradlew
+++ b/gradlew
@@ -83,7 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -130,10 +131,13 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
@@ -141,7 +145,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
@@ -149,7 +153,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -198,11 +202,11 @@ fi
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
diff --git a/plugin/src/main/kotlin/io/github/stefankoppier/oasdiff/Oasdiff.kt b/plugin/src/main/kotlin/io/github/stefankoppier/oasdiff/Oasdiff.kt
index 5eda568..3a1c0f0 100644
--- a/plugin/src/main/kotlin/io/github/stefankoppier/oasdiff/Oasdiff.kt
+++ b/plugin/src/main/kotlin/io/github/stefankoppier/oasdiff/Oasdiff.kt
@@ -1,5 +1,5 @@
 package io.github.stefankoppier.oasdiff
 
-private const val _VERSION = "v1.5.14"
+private const val _VERSION = "v2.1.2"
 
 val VERSION = _VERSION.replace("v", "")