diff --git a/build.sbt b/build.sbt
index e897ec9d9..a4c4f11d0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -165,7 +165,7 @@ lazy val coulomb_typesafe_config = (project in file("coulomb-typesafe-config"))
   .settings(libraryDependencies ++= coulombTypesafeConfigDeps)
 
 def coulombAvroDeps = Seq(
-  "org.apache.avro" % "avro" % "1.11.3" % Provided
+  "org.apache.avro" % "avro" % "1.11.4" % Provided
 )
 
 lazy val coulomb_avro = (project in file("coulomb-avro"))
diff --git a/coulomb-avro/README.md b/coulomb-avro/README.md
index b1ba3c202..aeed738a7 100644
--- a/coulomb-avro/README.md
+++ b/coulomb-avro/README.md
@@ -16,7 +16,7 @@ The package `coulomb-avro` provides an integration of unit parsing with Avro sch
 libraryDependencies ++= Seq(
   "com.manyangled" %% "coulomb-avro" % "0.5.8",
   "com.manyangled" %% "coulomb-parser" % "0.5.8",
-  "org.apache.avro" % "avro" % "1.11.3",
+  "org.apache.avro" % "avro" % "1.11.4",
   "org.scala-lang.modules" %% "scala-parser-combinators" % "2.4.0"
 )
 ```