diff --git a/.travis.yml b/.travis.yml
index 99eb8eb..db73c3b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -49,10 +49,10 @@ jobs:
       jdk: openjdk11
       scala: 2.11.12
       name: "Build (JDK11, 2.11)"
-    - <<: *build
-      scala: 2.13.0-M5
-      name: "Build (JDK8, 2.13)"
-    - <<: *build
-      jdk: openjdk11
-      scala: 2.13.0-M5
-      name: "Build (JDK11, 2.13)"
+#    - <<: *build
+#      scala: 2.13.0-M5
+#      name: "Build (JDK8, 2.13)"
+#    - <<: *build
+#      jdk: openjdk11
+#      scala: 2.13.0-M5
+#      name: "Build (JDK11, 2.13)"
diff --git a/build.sbt b/build.sbt
index 65c4be9..cb4635f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,5 +1,5 @@
 val mainScala = "2.12.8"
-val allScala  = Seq("2.11.12", mainScala, "2.13.0-M5")
+val allScala  = Seq("2.11.12", mainScala)
 
 organization := "com.nequissimus"
 name := "zio-slf4j"
@@ -18,13 +18,13 @@ parallelExecution in Test := false
 fork in Test := true
 
 libraryDependencies ++= Seq(
-  "com.lihaoyi" %% "sourcecode"  % "0.1.5",
-  "com.lihaoyi" %% "utest"       % "0.6.6" % Test,
+  "com.lihaoyi" %% "sourcecode"  % "0.1.6",
+  "com.lihaoyi" %% "utest"       % "0.6.7" % Test,
   "org.scalaz"  %% "scalaz-core" % "7.2.27",
   "org.scalaz"  %% "scalaz-zio"  % "1.0-RC4",
   "org.slf4j"   % "slf4j-api"    % "1.7.26",
-  compilerPlugin("com.github.ghik" %% "silencer-plugin" % "1.3.2"),
-  "com.github.ghik" %% "silencer-lib" % "1.3.2" % Provided
+  compilerPlugin("com.github.ghik" %% "silencer-plugin" % "1.3.3"),
+  "com.github.ghik" %% "silencer-lib" % "1.3.3" % Provided
 )
 
 testFrameworks += new TestFramework("utest.runner.Framework")