diff --git a/Gemfile.lock b/Gemfile.lock
index 21e3ebf..9ad5797 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,7 +12,7 @@ GEM
     ast (2.4.3)
     awesome_print (1.9.2)
     base64 (0.3.0)
-    bigdecimal (3.3.1)
+    bigdecimal (4.0.1)
     bundler-audit (0.9.3)
       bundler (>= 1.2.0)
       thor (~> 1.0)
@@ -30,7 +30,7 @@ GEM
       bigdecimal (>= 2.0)
       ffi (~> 1.0)
     hashdiff (1.2.1)
-    httparty (0.23.2)
+    httparty (0.24.0)
       csv
       mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
@@ -41,8 +41,8 @@ GEM
     memory_profiler (1.1.0)
     mini_mime (1.1.5)
     multi_json (1.17.0)
-    multi_xml (0.7.2)
-      bigdecimal (~> 3.1)
+    multi_xml (0.8.0)
+      bigdecimal (>= 3.1, < 5)
     mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
     parallel (1.27.0)