diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index 718182a634..99f30e571a 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -58,7 +58,7 @@ jobs:
     # max-backjumps is increased as a temporary solution
     # for dependency resolution failure
     - if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
-      run: cabal configure --enable-benchmarks --max-backjumps 10000
+      run: cabal configure --enable-benchmarks --max-backjumps 12000
 
     - if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
       name: Build
diff --git a/cabal.project b/cabal.project
index d85f35b23d..c182e65bf1 100644
--- a/cabal.project
+++ b/cabal.project
@@ -30,7 +30,7 @@ package *
 
 write-ghc-environment-files: never
 
-index-state: 2021-03-29T21:23:14Z
+index-state: 2021-05-21T05:01:41Z
 
 allow-newer:
 	active:base,
diff --git a/plugins/hls-hlint-plugin/hls-hlint-plugin.cabal b/plugins/hls-hlint-plugin/hls-hlint-plugin.cabal
index 39a3dc52be..08026aca49 100644
--- a/plugins/hls-hlint-plugin/hls-hlint-plugin.cabal
+++ b/plugins/hls-hlint-plugin/hls-hlint-plugin.cabal
@@ -29,7 +29,7 @@ library
   hs-source-dirs:     src
   build-depends:
     , aeson
-    , apply-refact          >=0.9
+    , apply-refact          >=0.9.3.0
     , base                  >=4.12    && <5
     , binary
     , bytestring
diff --git a/stack-8.10.2.yaml b/stack-8.10.2.yaml
index 11ecef541c..e8f4fe7f7a 100644
--- a/stack-8.10.2.yaml
+++ b/stack-8.10.2.yaml
@@ -29,21 +29,21 @@ ghc-options:
   "$everything": -haddock
 
 extra-deps:
-  - apply-refact-0.9.0.0
-  - brittany-0.13.1.0
+  - apply-refact-0.9.3.0
+  - brittany-0.13.1.2
   - Cabal-3.0.2.0
   - clock-0.7.2
   - data-tree-print-0.1.0.2@rev:2
   - floskell-0.10.4
   - fourmolu-0.3.0.0
-  - ghc-exactprint-0.6.3.4
+  - ghc-exactprint-0.6.4
   - ghc-lib-8.10.4.20210206
   - ghc-lib-parser-8.10.4.20210206
   - lsp-1.2.0.0
   - lsp-types-1.2.0.0
   - lsp-test-0.14.0.0
   - heapsize-0.3.0
-  - hie-bios-0.7.4
+  - hie-bios-0.7.5
   - implicit-hie-cradle-0.3.0.2
   - implicit-hie-0.1.2.5
   - monad-dijkstra-0.1.1.2
diff --git a/stack-8.10.3.yaml b/stack-8.10.3.yaml
index 0d4aa1062a..1ccef204bb 100644
--- a/stack-8.10.3.yaml
+++ b/stack-8.10.3.yaml
@@ -29,16 +29,18 @@ ghc-options:
   "$everything": -haddock
 
 extra-deps:
-  - brittany-0.13.1.0
+  - apply-refact-0.9.3.0
+  - brittany-0.13.1.2
   - Cabal-3.0.2.0
   - clock-0.7.2
   - data-tree-print-0.1.0.2@rev:2
   - floskell-0.10.4
   - fourmolu-0.3.0.0
+  - ghc-exactprint-0.6.4
   - ghc-lib-8.10.4.20210206
   - ghc-lib-parser-8.10.4.20210206
   - heapsize-0.3.0
-  - hie-bios-0.7.4
+  - hie-bios-0.7.5
   - implicit-hie-cradle-0.3.0.2
   - implicit-hie-0.1.2.5
   - monad-dijkstra-0.1.1.2
diff --git a/stack-8.10.4.yaml b/stack-8.10.4.yaml
index c67e9fdd5c..f0c55d6ccd 100644
--- a/stack-8.10.4.yaml
+++ b/stack-8.10.4.yaml
@@ -1,4 +1,4 @@
-resolver: lts-17.4
+resolver: lts-17.12
 
 packages:
   - .
@@ -29,20 +29,19 @@ ghc-options:
   "$everything": -haddock
 
 extra-deps:
-  - brittany-0.13.1.0
+  - apply-refact-0.9.3.0
+  - brittany-0.13.1.2
   - Cabal-3.0.2.0
   - clock-0.7.2
   - data-tree-print-0.1.0.2@rev:2
   - floskell-0.10.4
   - fourmolu-0.3.0.0
   - heapsize-0.3.0
-  - hie-bios-0.7.4
   - implicit-hie-cradle-0.3.0.2
   - implicit-hie-0.1.2.5
   - monad-dijkstra-0.1.1.2
   - refinery-0.3.0.0
   - retrie-0.1.1.1
-  - shake-0.19.4
   - stylish-haskell-0.12.2.0
   - semigroups-0.18.5
   - temporary-1.2.1.1
diff --git a/stack-8.6.4.yaml b/stack-8.6.4.yaml
index edcc949a22..df8ab95055 100644
--- a/stack-8.6.4.yaml
+++ b/stack-8.6.4.yaml
@@ -31,10 +31,10 @@ ghc-options:
 
 extra-deps:
   - aeson-1.5.2.0
-  - apply-refact-0.9.0.0
+  - apply-refact-0.9.3.0
   - ansi-terminal-0.10.3
   - base-compat-0.10.5
-  - brittany-0.13.1.0
+  - brittany-0.13.1.2
   - butcher-1.3.3.1
   - Cabal-3.0.2.0
   - cabal-plan-0.6.2.0
@@ -45,7 +45,7 @@ extra-deps:
   - fuzzy-0.1.0.0
   - ghc-check-0.5.0.1
   - ghc-events-0.13.0
-  - ghc-exactprint-0.6.3.4
+  - ghc-exactprint-0.6.4
   - ghc-lib-8.10.4.20210206
   - ghc-lib-parser-8.10.4.20210206
   - ghc-lib-parser-ex-8.10.0.17
@@ -55,7 +55,7 @@ extra-deps:
   - haddock-library-1.10.0
   - hashable-1.3.0.0
   - heapsize-0.3.0
-  - hie-bios-0.7.4
+  - hie-bios-0.7.5
   - hlint-3.2.3
   - HsYAML-0.2.1.0@rev:1
   - HsYAML-aeson-0.2.0.0@rev:2
@@ -115,8 +115,6 @@ configure-options:
   heapsize:
       - --disable-library-for-ghci
 
-# allow-newer: true
-
 nix:
   packages: [icu libcxx zlib]
 
diff --git a/stack-8.6.5.yaml b/stack-8.6.5.yaml
index 76ddf9f51d..182775c979 100644
--- a/stack-8.6.5.yaml
+++ b/stack-8.6.5.yaml
@@ -30,10 +30,10 @@ ghc-options:
 
 extra-deps:
   - aeson-1.5.2.0
-  - apply-refact-0.9.0.0
+  - apply-refact-0.9.3.0
   - ansi-terminal-0.10.3
   - base-compat-0.10.5
-  - brittany-0.13.1.0
+  - brittany-0.13.1.2
   - butcher-1.3.3.1
   - Cabal-3.0.2.0
   - cabal-plan-0.6.2.0
@@ -44,7 +44,7 @@ extra-deps:
   - fuzzy-0.1.0.0
   - ghc-check-0.5.0.1
   - ghc-events-0.13.0
-  - ghc-exactprint-0.6.3.4
+  - ghc-exactprint-0.6.4
   - ghc-lib-8.10.4.20210206
   - ghc-lib-parser-8.10.4.20210206
   - ghc-lib-parser-ex-8.10.0.17
@@ -54,7 +54,7 @@ extra-deps:
   - haddock-library-1.10.0
   - hashable-1.3.0.0
   - heapsize-0.3.0
-  - hie-bios-0.7.4
+  - hie-bios-0.7.5
   - hlint-3.2.3
   - HsYAML-0.2.1.0@rev:1
   - HsYAML-aeson-0.2.0.0@rev:2
@@ -114,8 +114,6 @@ flags:
   retrie:
     BuildExecutable: false
 
-# allow-newer: true
-
 nix:
   packages: [icu libcxx zlib]
 
diff --git a/stack-8.8.2.yaml b/stack-8.8.2.yaml
index 1375078dff..bcd120419b 100644
--- a/stack-8.8.2.yaml
+++ b/stack-8.8.2.yaml
@@ -30,8 +30,8 @@ ghc-options:
 
 extra-deps:
   - aeson-1.5.2.0
-  - apply-refact-0.9.0.0
-  - brittany-0.13.1.0
+  - apply-refact-0.9.3.0
+  - brittany-0.13.1.2
   - butcher-1.3.3.2
   - bytestring-trie-0.2.5.0
   - clock-0.7.2
@@ -40,7 +40,7 @@ extra-deps:
   - fourmolu-0.3.0.0
   - ghc-check-0.5.0.1
   - ghc-events-0.13.0
-  - ghc-exactprint-0.6.3.4
+  - ghc-exactprint-0.6.4
   - ghc-lib-8.10.4.20210206
   - ghc-lib-parser-8.10.4.20210206
   - ghc-lib-parser-ex-8.10.0.17
@@ -100,8 +100,6 @@ flags:
   retrie:
     BuildExecutable: false
 
-# allow-newer: true
-
 nix:
   packages: [icu libcxx zlib]
 
diff --git a/stack-8.8.3.yaml b/stack-8.8.3.yaml
index 1bfeb571bb..8e11d433a2 100644
--- a/stack-8.8.3.yaml
+++ b/stack-8.8.3.yaml
@@ -30,21 +30,21 @@ ghc-options:
 
 extra-deps:
   - aeson-1.5.2.0
-  - apply-refact-0.9.0.0
-  - brittany-0.13.1.0
+  - apply-refact-0.9.3.0
+  - brittany-0.13.1.2
   - bytestring-trie-0.2.5.0
   - cabal-plan-0.6.2.0
   - clock-0.7.2
   - constrained-dynamic-0.1.0.0
   - floskell-0.10.4
   - fourmolu-0.3.0.0
-  - ghc-exactprint-0.6.3.4
+  - ghc-exactprint-0.6.4
   - ghc-lib-8.10.4.20210206
   - ghc-lib-parser-8.10.4.20210206
   - ghc-trace-events-0.1.2.1
   - haskell-src-exts-1.21.1
   - heapsize-0.3.0
-  - hie-bios-0.7.4
+  - hie-bios-0.7.5
   - hlint-3.2.3
   - HsYAML-aeson-0.2.0.0@rev:2
   - hoogle-5.0.17.11
@@ -93,8 +93,6 @@ flags:
   retrie:
     BuildExecutable: false
 
-# allow-newer: true
-
 nix:
   packages: [icu libcxx zlib]
 
diff --git a/stack-8.8.4.yaml b/stack-8.8.4.yaml
index 3a65dd34fa..14f788d6e8 100644
--- a/stack-8.8.4.yaml
+++ b/stack-8.8.4.yaml
@@ -30,21 +30,21 @@ ghc-options:
 
 extra-deps:
   - aeson-1.5.2.0
-  - apply-refact-0.9.0.0
-  - brittany-0.13.1.0
+  - apply-refact-0.9.3.0
+  - brittany-0.13.1.2
   - bytestring-trie-0.2.5.0
   - cabal-plan-0.6.2.0
   - clock-0.7.2
   - constrained-dynamic-0.1.0.0
   - floskell-0.10.4
   - fourmolu-0.3.0.0
-  - ghc-exactprint-0.6.3.4
+  - ghc-exactprint-0.6.4
   - ghc-lib-8.10.4.20210206
   - ghc-lib-parser-8.10.4.20210206
   - ghc-trace-events-0.1.2.1
   - haskell-src-exts-1.21.1
   - heapsize-0.3.0
-  - hie-bios-0.7.4
+  - hie-bios-0.7.5
   - hlint-3.2.3
   - HsYAML-aeson-0.2.0.0@rev:2
   - hoogle-5.0.17.11
@@ -90,8 +90,6 @@ flags:
   retrie:
     BuildExecutable: false
 
-# allow-newer: true
-
 nix:
   packages: [icu libcxx zlib]
 
diff --git a/stack.yaml b/stack.yaml
index ef3871c091..3907d6700f 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,10 +1,10 @@
-resolver: lts-14.27 # Last 8.6.5
+resolver: lts-17.12
 
 packages:
   - .
   - ./hie-compat
   - ./hls-graph
-  - ./ghcide
+  - ./ghcide/
   - ./hls-plugin-api
   - ./hls-test-utils
   # - ./shake-bench
@@ -28,69 +28,26 @@ packages:
 ghc-options:
   "$everything": -haddock
 
-
-
 extra-deps:
-  - aeson-1.5.2.0
-  - apply-refact-0.9.0.0
-  - ansi-terminal-0.10.3
-  - base-compat-0.10.5
-  - brittany-0.13.1.0
-  - butcher-1.3.3.1
+  - apply-refact-0.9.3.0
+  - brittany-0.13.1.2
   - Cabal-3.0.2.0
-  - cabal-plan-0.6.2.0
   - clock-0.7.2
-  - Diff-0.4.0
+  - data-tree-print-0.1.0.2@rev:2
   - floskell-0.10.4
   - fourmolu-0.3.0.0
-  - fuzzy-0.1.0.0
-  - ghc-check-0.5.0.1
-  - ghc-events-0.13.0
-  - ghc-exactprint-0.6.3.4
-  - ghc-lib-8.10.4.20210206
-  - ghc-lib-parser-8.10.4.20210206
-  - ghc-lib-parser-ex-8.10.0.17
-  - ghc-source-gen-0.4.0.0
-  - ghc-trace-events-0.1.2.1
-  - haddock-api-2.22.0@rev:1
-  - haddock-library-1.10.0
-  - hashable-1.3.0.0
+  - ghc-exactprint-0.6.4
   - heapsize-0.3.0
-  - hie-bios-0.7.4
-  - hlint-3.2.3
-  - HsYAML-0.2.1.0@rev:1
-  - HsYAML-aeson-0.2.0.0@rev:2
   - implicit-hie-cradle-0.3.0.2
   - implicit-hie-0.1.2.5
-  - indexed-profunctors-0.1
-  - lens-4.18
-  - megaparsec-9.0.1
   - monad-dijkstra-0.1.1.2
-  - opentelemetry-0.6.1
-  - opentelemetry-extra-0.6.1
-  - optics-core-0.2
-  - optparse-applicative-0.15.1.0
-  - ormolu-0.1.4.1
-  - parser-combinators-1.2.1
-  - primitive-0.7.1.0
   - refinery-0.3.0.0
-  - regex-base-0.94.0.0
-  - regex-pcre-builtin-0.95.1.1.8.43
-  - regex-tdfa-1.3.1.0
   - retrie-0.1.1.1
-  - semialign-1.1
-  - shake-0.19.4
   - stylish-haskell-0.12.2.0
-  - tasty-rerun-1.1.17
+  - semigroups-0.18.5
   - temporary-1.2.1.1
-  - these-1.1.1.1
-  - type-equality-1
-  - topograph-1
-  - uniplate-1.6.13
-  - th-env-0.1.0.2@sha256:d8f1f37f42a8f1a22404d7d0579528af18f5dac7232cca6bdbd5117c115a0ad5,1370
   - bytestring-encoding-0.1.0.0@sha256:460b49779fbf0112e8e2f1753c1ed9131eb18827600c298f4d6bb51c4e8c1c0d,1727
   - hiedb-0.3.0.1
-  - extra-1.7.9@sha256:f1dec740f0f2025790c540732bfd52c556ec55bde4f5dfd7cf18e22bd44ff3d0,2683
   - lsp-1.2.0.0
   - lsp-types-1.2.0.0
   - lsp-test-0.14.0.0
@@ -100,15 +57,14 @@ extra-deps:
   - constraints-extras-0.3.0.2@sha256:013b8d0392582c6ca068e226718a4fe8be8e22321cc0634f6115505bf377ad26,1853
   - some-1.0.1@sha256:26e5bab7276f48b25ea8660d3fd1166c0f20fd497dac879a40f408e23211f93e,2055
   - unliftio-core-0.2.0.1@sha256:9b3e44ea9aacacbfc35b3b54015af450091916ac3618a41868ebf6546977659a,1082
-  - resourcet-1.2.3
 
 configure-options:
   ghcide:
-    - --disable-library-for-ghci
+      - --disable-library-for-ghci
   haskell-language-server:
-    - --disable-library-for-ghci
+      - --disable-library-for-ghci
   heapsize:
-    - --disable-library-for-ghci
+      - --disable-library-for-ghci
 
 flags:
   haskell-language-server:
@@ -116,9 +72,7 @@ flags:
   retrie:
     BuildExecutable: false
 
-# allow-newer: true
-
 nix:
-  packages: [icu libcxx zlib]
+  packages: [ icu libcxx zlib ]
 
 concurrent-tests: false