diff --git a/package.yaml b/package.yaml
index 99deeef..a1b6b73 100644
--- a/package.yaml
+++ b/package.yaml
@@ -17,7 +17,6 @@ library:
   source-dirs: src
   dependencies:
     - aeson >=0.6 && <1.3
-    - authenticate >=1.3.2.7 && <1.4
     - bytestring >=0.9.1.4
     - hoauth2 >=1.3.0 && <1.6
     - http-client >=0.4.0 && <0.6
@@ -25,15 +24,12 @@ library:
     - http-types >=0.8 && <0.10
     - lifted-base >=0.2 && <0.4
     - microlens
-    - network-uri >=2.6
     - random
     - text >=0.7 && <2.0
     - transformers >=0.2.2 && <0.6
     - uri-bytestring
-    - vector >=0.10 && <0.13
     - yesod-auth >=1.3 && <1.5
     - yesod-core >=1.2 && <1.5
-    - yesod-form >=1.3 && <1.5
 
 tests:
   test: