diff --git a/build.sbt b/build.sbt
index d5efb7d..fdde78a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -37,7 +37,5 @@ testFrameworks += new TestFramework("wvlet.airspec.Framework")
 libraryDependencies ++= Seq(
   "org.wvlet.airframe" %% "airspec"          % "24.3.0" % Test,
   "org.apache.commons"  % "commons-compress" % "1.26.1",
-  // commons-codec is necessary for commons-compress
-  "commons-codec" % "commons-codec" % "1.16.1",
   "org.tukaani"   % "xz"            % "1.9"
 )