diff --git a/circle.yml b/circle.yml
index 1e6da4d1e..55cd402a9 100644
--- a/circle.yml
+++ b/circle.yml
@@ -12,8 +12,8 @@ dependencies:
     - stack setup
     - rm -fr $(stack path --dist-dir) $(stack path --local-install-root)
     - stack install hlint packdeps cabal-install
-    - stack build
-    - stack build --test --no-run-tests
+    - stack build --fast
+    - stack build --fast --test --no-run-tests
 
 test:
   override:
diff --git a/postgrest.cabal b/postgrest.cabal
index 011ad2f1b..5a89d4019 100644
--- a/postgrest.cabal
+++ b/postgrest.cabal
@@ -40,7 +40,7 @@ executable postgrest
                      , errors
                      , hasql == 0.19.12
                      , hasql-pool == 0.4.1
-                     , hasql-transaction == 0.4.5
+                     , hasql-transaction == 0.4.5.1
                      , http-types
                      , interpolatedstring-perl6
                      , jwt
diff --git a/stack.yaml b/stack.yaml
index 6419ec45f..f3d4233bb 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -4,7 +4,7 @@ extra-deps:
   - bytestring-tree-builder-0.2.7
   - hasql-0.19.12
   - hasql-pool-0.4.1
-  - hasql-transaction-0.4.5
+  - hasql-transaction-0.4.5.1
   - jwt-0.7.2
   - postgresql-binary-0.9.0.1
   - binary-parser-0.5.2
@@ -16,10 +16,7 @@ extra-deps:
   - wai-cors-0.2.5
   - cryptohash-sha256-0.11.100.0
   - hackage-security-0.5.2.1
-  - unordered-containers-0.2.7.1
-  - insert-ordered-containers-0.1.0.1
   - swagger2-2.1
-  # - hjsonschema-0.10.0.2
   - hjsonpointer-0.3.0.1
 ghc-options:
   postgrest: -O2 -Werror -Wall -fwarn-identities