diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 5dc48e45..052f0d2b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -25,18 +25,18 @@ kotlinpoet = "1.14.2"
 ksp = "1.9.10-1.0.13"
 ktfmt = "0.46"
 moshi = "1.15.0"
-okhttp = "4.11.0"
+okhttp = "4.12.0"
 retrofit = "2.9.0"
 
 [plugins]
-dokka = { id = "org.jetbrains.dokka", version = "1.9.0" }
+dokka = { id = "org.jetbrains.dokka", version = "1.9.10" }
 kotlinBinaryCompatibilityValidator = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version = "0.13.2" }
 kotlinJvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
 mavenPublish = { id = "com.vanniktech.maven.publish", version = "0.25.3" }
 mavenShadow = { id = "com.github.johnrengelman.shadow", version = "8.1.1" }
-moshix = { id = "dev.zacsweers.moshix", version = "0.24.2" } # Always replaced by the local plugin
-spotless = { id = "com.diffplug.spotless", version = "6.21.0" }
+moshix = { id = "dev.zacsweers.moshix", version = "0.24.3" } # Always replaced by the local plugin
+spotless = { id = "com.diffplug.spotless", version = "6.22.0" }
 
 [libraries]
 agp = { module = "com.android.tools.build:gradle", version.ref = "agp" }
@@ -47,7 +47,7 @@ autoService = { module = "com.google.auto.service:auto-service-annotations", ver
 autoService-ksp = { module = "dev.zacsweers.autoservice:auto-service-ksp", version = "1.1.0" }
 autoService-processor = { module = "com.google.auto.service:auto-service", version.ref = "autoService" }
 
-guava = { module = "com.google.guava:guava", version = "32.1.2-jre" }
+guava = { module = "com.google.guava:guava", version = "32.1.3-jre" }
 
 incap = { module = "net.ltgt.gradle.incap:incap", version.ref = "incap" }
 incap-processor = { module = "net.ltgt.gradle.incap:incap-processor", version.ref = "incap" }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ac72c34e..3fa8f862 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/moshi-ir/moshi-gradle-plugin/gradle/wrapper/gradle-wrapper.properties b/moshi-ir/moshi-gradle-plugin/gradle/wrapper/gradle-wrapper.properties
index ac72c34e..3fa8f862 100644
--- a/moshi-ir/moshi-gradle-plugin/gradle/wrapper/gradle-wrapper.properties
+++ b/moshi-ir/moshi-gradle-plugin/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/moshi-ir/moshi-gradle-plugin/gradlew b/moshi-ir/moshi-gradle-plugin/gradlew
index 0adc8e1a..1aa94a42 100755
--- a/moshi-ir/moshi-gradle-plugin/gradlew
+++ b/moshi-ir/moshi-gradle-plugin/gradlew
@@ -145,7 +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
@@ -153,7 +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
@@ -202,11 +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" \