diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0234dc0f..1cb29a4a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -539,7 +539,7 @@ packages:
         - s3-signer < 0 # via http-types
         # - google-translate # servant 0.12
         # - hackernews # servant 0.12
-        - ses-html < 0 # via http-streams
+        - ses-html
         # - stripe-haskell # free 5
         # - stripe-http-streams # free 5
         - stripe-core < 0 # via aeson-1.3.1.0
@@ -712,7 +712,7 @@ packages:
         # profiteur # aeson-1.4.0.0
         - psqueues
         - websockets
-        - websockets-snap < 0 # via io-streams
+        - websockets-snap
         - hakyll < 0 # jaspervdj/hakyll#691
 
     "Sibi Prabakaran <sibi@psibi.in> @psibi":
@@ -1558,7 +1558,7 @@ packages:
         - mole < 0 # GHC 8.4 via base-4.11.0.0
         - publicsuffix
         - rethinkdb-client-driver
-        - snap-blaze < 0 # via snap-core
+        - snap-blaze
 
     "Alexandr Kurilin <alex@kurilin.net> @alex_kurilin":
         - bcrypt
@@ -2428,7 +2428,7 @@ packages:
     "Andrew Cowie <andrew@operationaldynamics.com> @afcowie":
         - chronologique
         - http-common
-        - http-streams < 0 # via io-streams & openssl-streams
+        - http-streams
         - locators < 0 # via cryptohash
         - core-data
         - core-program
@@ -2968,7 +2968,7 @@ packages:
         - postgresql-transactional < 0 # via postgresql-simple
 
     "Tom Murphy <amindfv@gmail.com>":
-        - gingersnap < 0 # via snap-core
+        - gingersnap
         - microspec
         - midair
         - nano-erl
@@ -4292,7 +4292,7 @@ packages:
         - insert-ordered-containers
         - inspection-testing
         - integer-logarithms
-        - io-streams-haproxy < 0 # via base-4.13.0.0
+        - io-streams-haproxy
         - ixset-typed < 0 # via safecopy-0.10.0
         - json < 0 # via base-4.13.0.0
         - json-alt
@@ -4420,7 +4420,7 @@ packages:
         - size-based < 0 # via template-haskell-2.15.0.0
         - skein
         - skylighting-core
-        - snap-core < 0 # via test-framework
+        - snap-core
         - some
         - special-values
         - splice
@@ -4874,7 +4874,6 @@ skipped-tests:
     - hackage-security # QuickCheck
     - haddock-library # base-compat-0.10.1, hspec-2.5.1
     - haskell-names # via tasty-1.2
-    - http-streams # via snap-server-1.1.0.0
     - hw-balancedparens # via QuickCheck-2.12.6.1, via hspec-2.6.0
     - hw-bits # via QuickCheck-2.12.6.1
     - hw-excess # via QuickCheck-2.12.6.1, via hspec-2.6.0