diff --git a/brok.cabal b/brok.cabal
--- a/brok.cabal
+++ b/brok.cabal
@@ -1,6 +1,6 @@
 cabal-version: 1.12
 name: brok
-version: 0.1.6.0
+version: 0.1.7.0
 license: BSD3
 license-file: LICENSE
 copyright: 2019 Small Hadron Collider
@@ -44,14 +44,14 @@
     default-language: Haskell2010
     default-extensions: OverloadedStrings NoImplicitPrelude
     build-depends:
-        ansi-terminal >=0.8.2 && <0.9,
-        attoparsec >=0.13.2.2 && <0.14,
+        ansi-terminal >=0.9.1 && <0.10,
+        attoparsec >=0.13.2.3 && <0.14,
         base >=4.7 && <5,
         classy-prelude >=1.5.0 && <1.6,
         directory >=1.3.3.0 && <1.4,
-        file-embed >=0.0.11 && <0.1,
-        http-client >=0.5.14 && <0.6,
-        http-conduit >=2.3.5 && <2.4,
+        file-embed >=0.0.11.1 && <0.1,
+        http-client >=0.6.4 && <0.7,
+        http-conduit >=2.3.7.3 && <2.4,
         text >=1.2.3.1 && <1.3,
         time >=1.8.0.2 && <1.9
 
@@ -67,7 +67,7 @@
         base >=4.7 && <5,
         brok -any,
         classy-prelude >=1.5.0 && <1.6,
-        file-embed >=0.0.11 && <0.1
+        file-embed >=0.0.11.1 && <0.1
 
 test-suite brok-test
     type: exitcode-stdio-1.0
@@ -86,8 +86,8 @@
         base >=4.7 && <5,
         brok -any,
         classy-prelude >=1.5.0 && <1.6,
-        file-embed >=0.0.11 && <0.1,
-        tasty ==1.2.*,
+        file-embed >=0.0.11.1 && <0.1,
+        tasty >=1.2.3 && <1.3,
         tasty-discover >=4.2.1 && <4.3,
-        tasty-expected-failure >=0.11.1.1 && <0.12,
-        tasty-hunit >=0.10.0.1 && <0.11
+        tasty-expected-failure >=0.11.1.2 && <0.12,
+        tasty-hunit >=0.10.0.2 && <0.11
diff --git a/src/Brok.hs b/src/Brok.hs
--- a/src/Brok.hs
+++ b/src/Brok.hs
@@ -28,7 +28,7 @@
 go config
     -- read files
  = do
-    content <- sequence (readContent . pathToResult <$> C.files config)
+    content <- traverse (readContent . pathToResult) (C.files config)
     -- find links in each file
     let parsed = parseLinks links <$> content
     -- check cached successes
@@ -37,7 +37,7 @@
     -- check links in each file
     header "Checking URLs"
     putStrLn ""
-    checked <- sequence (linkIOMap (check (C.interval config)) <$> uncached)
+    checked <- traverse (linkIOMap (check (C.interval config))) uncached
     replace "Fetching complete"
     -- display results
     putStrLn ""
diff --git a/src/Brok/IO/DB.hs b/src/Brok/IO/DB.hs
--- a/src/Brok/IO/DB.hs
+++ b/src/Brok/IO/DB.hs
@@ -40,7 +40,7 @@
 setCached Nothing _ = return ()
 setCached (Just age) links = do
     current <- load age
-    stamped <- sequence (stamp <$> links)
+    stamped <- traverse stamp links
     write $ current ++ stamped
 
 -- read db
diff --git a/src/Brok/IO/Output.hs b/src/Brok/IO/Output.hs
--- a/src/Brok/IO/Output.hs
+++ b/src/Brok/IO/Output.hs
@@ -46,22 +46,22 @@
     if anyErrs
         then do
             errorMessage $ outputPath path
-            sequence_ $
-                linkOutput <$>
+            traverse_
+                linkOutput
                 (if onlyFailures
                      then errs
                      else links)
         else unless onlyFailures $ do
                  message $ outputPath path
                  if not (null links)
-                     then sequence_ $ linkOutput <$> links
+                     then traverse_ linkOutput links
                      else putStrLn "- No links found in file"
     return anyErrs
 outputMap _ _ = return False
 
 output :: Bool -> [Result] -> IO Bool
 output onlyFailures results = do
-    errs <- sequence $ outputMap onlyFailures <$> results
+    errs <- traverse (outputMap onlyFailures) results
     let anyErrs = foldl' (||) False errs
     when (not anyErrs && onlyFailures) $ successMessage "All links working"
     return anyErrs
diff --git a/src/Brok/Parser/Links.hs b/src/Brok/Parser/Links.hs
--- a/src/Brok/Parser/Links.hs
+++ b/src/Brok/Parser/Links.hs
@@ -31,7 +31,7 @@
 
 -- urls
 part :: String -> Parser Text
-part str = concat <$> many' (parens (part str) <|> manyChars (chars str))
+part str = concat <$> many1 (parens (part str) <|> manyChars (chars str))
 
 query :: Parser Text
 query = (++) <$> string "?" <*> part queryBodyChars
@@ -42,7 +42,7 @@
     option "" query
 
 noise :: Parser Token
-noise = anyChar >> return Nothing
+noise = anyChar $> Nothing
 
 urls :: Parser [URL]
 urls = nub . catMaybes <$> many1 ((Just <$> url) <|> noise)
diff --git a/src/Brok/Types/Result.hs b/src/Brok/Types/Result.hs
--- a/src/Brok/Types/Result.hs
+++ b/src/Brok/Types/Result.hs
@@ -55,7 +55,7 @@
 ignoredLinks = findLinks ignoredLink
 
 linkIOMap :: (Link -> IO Link) -> Result -> IO Result
-linkIOMap fn (Result path (Links links)) = Result path . Links <$> sequence (lmap fn <$> links)
+linkIOMap fn (Result path (Links links)) = Result path . Links <$> traverse (lmap fn) links
 linkIOMap _ result                       = return result
 
 justLinks :: Result -> [Link]
diff --git a/test/Parser/LinksTest.hs b/test/Parser/LinksTest.hs
--- a/test/Parser/LinksTest.hs
+++ b/test/Parser/LinksTest.hs
@@ -165,5 +165,14 @@
                               ])
                          (links tex))
               ]
+        , testGroup
+              "just protocol"
+              [ testCase
+                    "https://"
+                    (assertEqual "Gives back empty list" (Right []) (links "https://"))
+              , testCase
+                    "http://"
+                    (assertEqual "Gives back empty list" (Right []) (links "http://"))
+              ]
         , testCase "nothing" (assertEqual "Gives back empty list" (Right []) (links ""))
         ]