diff --git a/build.sbt b/build.sbt
index 89bf1c1..a299562 100644
--- a/build.sbt
+++ b/build.sbt
@@ -35,7 +35,7 @@ lazy val core = project
       "dev.zio"             %% "zio-test-sbt"      % zioVersion % Test,
       "dev.zio"             %% "zio-test-junit"    % zioVersion % Test,
       "dev.zio"             %% "zio-test-magnolia" % zioVersion % Test,
-      "org.testcontainers"   % "pulsar"                      % "1.16.3" % Test,
+      "org.testcontainers"   % "pulsar"                      % "1.20.1" % Test,
       "com.dimafeng"        %% "testcontainers-scala-pulsar" % "0.40.1" % Test
     ),
     testFrameworks := Seq(new TestFramework("zio.test.sbt.ZTestFramework"))