diff --git a/Gemfile.lock b/Gemfile.lock
index 5039b75..1d3cda4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,10 +6,10 @@ GEM
     ast (2.3.0)
     astrolabe (1.3.1)
       parser (~> 2.2)
-    backports (3.10.3)
+    backports (3.11.4)
     builder (3.2.3)
     cabin (0.9.0)
-    childprocess (0.8.0)
+    childprocess (0.9.0)
       ffi (~> 1.0, >= 1.0.11)
     ci_reporter (2.0.0)
       builder (>= 2.1.2)
@@ -18,9 +18,9 @@ GEM
       rspec (>= 2.14, < 4)
     clamp (1.0.1)
     diff-lcs (1.3)
-    dotenv (2.2.1)
-    ffi (1.9.18)
-    fpm (1.9.3)
+    dotenv (2.6.0)
+    ffi (1.10.0)
+    fpm (1.10.2)
       arr-pm (~> 0.0.10)
       backports (>= 2.6.2)
       cabin (>= 0.6.0)
@@ -29,7 +29,7 @@ GEM
       ffi
       json (>= 1.7.7, < 2.0)
       pleaserun (~> 0.0.29)
-      ruby-xz
+      ruby-xz (~> 0.2.3)
       stud
     git (1.3.0)
     insist (1.0.0)