diff --git a/build.sbt b/build.sbt
index 9dd62c6..4d682e7 100644
--- a/build.sbt
+++ b/build.sbt
@@ -35,7 +35,7 @@ lazy val root = project
       "org.tpolecat"          %% "doobie-core"          % doobieVersion,
       "org.tpolecat"          %% "doobie-postgres"      % doobieVersion,
       "org.tpolecat"          %% "doobie-hikari"        % doobieVersion,
-      "org.bouncycastle"       % "bcprov-jdk15to18"     % "1.72",
+      "org.bouncycastle"       % "bcprov-jdk15to18"     % "1.83",
       "ch.qos.logback"         % "logback-classic"      % "1.4.1",
       "org.codehaus.janino"    % "janino"               % "2.6.1",
       "com.google.cloud"       % "google-cloud-storage" % "2.1.0"