diff --git a/lib/sdk/server/build.gradle b/lib/sdk/server/build.gradle
index ec1fff79..67502ef8 100644
--- a/lib/sdk/server/build.gradle
+++ b/lib/sdk/server/build.gradle
@@ -66,10 +66,12 @@ ext {
 ext.libraries = [:]
 
 ext.versions = [
+    "checkerQual": "3.33.0",
     "commonsCodec": "1.19.0",
     "gson": "2.13.1",
-    "guava": "32.0.1-jre",
+    "guava": "33.8.0-jre",
     "jackson": "2.11.2",
+    "jsr305": "3.0.2",
     "launchdarklyJavaSdkCommon": "2.3.0",
     "launchdarklyJavaSdkInternal": "1.12.2",
     "launchdarklyLogging": "1.1.0",
@@ -117,6 +119,10 @@ libraries.internal = [
     "commons-codec:commons-codec:${versions.commonsCodec}",
     "com.google.code.gson:gson:${versions.gson}",
     "com.google.guava:guava:${versions.guava}",
+    // Guava 33.x stopped depending on jsr305 and checker-qual, which our code uses and which
+    // were previously embedded transitively, so now we declare them directly.
+    "com.google.code.findbugs:jsr305:${versions.jsr305}",
+    "org.checkerframework:checker-qual:${versions.checkerQual}",
     "com.squareup.okhttp3:okhttp:${versions.okhttp}",
     "com.launchdarkly:okhttp-eventsource:${versions.okhttpEventsource}",
     "org.yaml:snakeyaml:${versions.snakeyaml}",