diff --git a/Gemfile.lock b/Gemfile.lock
index ce6dd435..a63e55be 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    yavdb (0.5.0)
+    yavdb (0.5.1)
       execjs (~> 2.7.0)
       json (~> 2.1)
       kramdown (~> 1.17)
@@ -25,7 +25,7 @@ GEM
     jaro_winkler (1.5.2)
     json (2.1.0)
     kramdown (1.17.0)
-    libv8 (3.16.14.19)
+    libv8 (3.16.14.19-x86_64-linux)
     oga (2.15)
       ast
       ruby-ll (~> 2.1)
diff --git a/lib/yavdb/sources/snyk_io.rb b/lib/yavdb/sources/snyk_io.rb
index d3efc4d8..622353b9 100644
--- a/lib/yavdb/sources/snyk_io.rb
+++ b/lib/yavdb/sources/snyk_io.rb
@@ -70,7 +70,7 @@ def fetch_advisory_recursive(page_url)
 
             next_urls = if page_vuln_urls.any?
                           next_url = snykio.css('a.pagination__next')
-                          if next_url
+                          if next_url&.first
                             fetch_advisory_recursive(next_url.first.get('href'))
                           else
                             []
diff --git a/lib/yavdb/version.rb b/lib/yavdb/version.rb
index 37b1192c..d464ce79 100644
--- a/lib/yavdb/version.rb
+++ b/lib/yavdb/version.rb
@@ -16,6 +16,6 @@
 
 module YAVDB
 
-  VERSION = '0.5.0'
+  VERSION = '0.5.1'
 
 end