diff --git a/macros/build.sbt b/macros/build.sbt
index 51ff95f52..845443c3d 100644
--- a/macros/build.sbt
+++ b/macros/build.sbt
@@ -12,7 +12,7 @@ libraryDependencies ++= {
     case Some((2, 13)) =>
       Seq(
         "org.scala-lang" % "scala-reflect" % s"${scalaVersion.value}",
-        "org.typelevel" %% "spire" % "0.18.0-M3"
+        "org.typelevel" %% "spire" % "0.18.0"
       )
     case Some((3, _)) => Seq(
     )
diff --git a/math/build.sbt b/math/build.sbt
index 2aede4299..07fd09be7 100644
--- a/math/build.sbt
+++ b/math/build.sbt
@@ -24,7 +24,7 @@ libraryDependencies += {
   if (priorTo2_13(scalaVersion.value)) {
     "org.typelevel" %% "spire" % "0.17.0"
   } else {
-    "org.typelevel" %% "spire" % "0.18.0-M3"
+    "org.typelevel" %% "spire" % "0.18.0"
   }
 }