diff --git a/.travis.yml b/.travis.yml
index f63225f..62d3492 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,10 +3,8 @@ notifications:
   email: paul.joseph.davis@gmail.com
 script: make check
 otp_release:
-   - 22.2.4
+   - 22.3
    - 21.3.8.1
    - 20.3.8.22
    - 19.3
    - 18.3
-   - 17.5
-   - R16B03-1
diff --git a/enc b/enc
deleted file mode 100755
index 3626e16..0000000
Binary files a/enc and /dev/null differ
diff --git a/rebar b/rebar
deleted file mode 100755
index 36ef011..0000000
Binary files a/rebar and /dev/null differ
diff --git a/rebar.config b/rebar.config
index b951b5e..524e3e4 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,3 +1,5 @@
+{project_plugins, [pc]}.
+
 {port_specs, [
     {"priv/jiffy.so", [
         "c_src/*.c",
@@ -36,5 +38,8 @@
     verbose
 ]}.
 
-{pre_hooks, [{"", compile, "escript enc compile"}]}.
-{post_hooks, [{"", clean, "escript enc clean"}]}.
+{provider_hooks,
+ [{pre, [
+    {compile, {pc, compile}},
+    {clean, {pc, clean}}
+  ]}]}.