diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/stackage.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/stackage.yaml
index 72dfff26fd0b..25aec118a506 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/stackage.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/stackage.yaml
@@ -1,4 +1,4 @@
-# Stackage LTS 18.20
+# Stackage LTS 18.21
 # This file is auto-generated by
 # maintainers/scripts/haskell/update-stackage.sh
 default-package-overrides:
@@ -154,7 +154,7 @@ default-package-overrides:
   - appar ==0.1.8
   - appendmap ==0.1.5
   - apply-refact ==0.9.3.0
-  - apportionment ==0.0.0.3
+  - apportionment ==0.0.0.4
   - approximate ==0.3.5
   - approximate-equality ==1.1.0.2
   - app-settings ==0.2.0.12
@@ -207,7 +207,7 @@ default-package-overrides:
   - backtracking ==0.1.0
   - bank-holidays-england ==0.2.0.6
   - barbies ==2.0.3.0
-  - base16 ==0.3.0.2
+  - base16 ==0.3.1.0
   - base16-bytestring ==1.0.2.0
   - base16-lens ==0.1.3.2
   - base32 ==0.2.1.0
@@ -338,7 +338,7 @@ default-package-overrides:
   - cabal-plan ==0.7.2.0
   - cabal-rpm ==2.0.10
   - cache ==0.1.3.0
-  - cached-json-file ==0.1.0
+  - cached-json-file ==0.1.1
   - cacophony ==0.10.1
   - calendar-recycling ==0.0.0.1
   - call-stack ==0.3.0
@@ -513,7 +513,7 @@ default-package-overrides:
   - csp ==1.4.0
   - css-syntax ==0.1.0.0
   - css-text ==0.1.3.0
-  - c-struct ==0.1.1.0
+  - c-struct ==0.1.1.1
   - csv ==0.1.2
   - ctrie ==0.2
   - cubicbezier ==0.6.0.6
@@ -601,7 +601,7 @@ default-package-overrides:
   - dialogflow-fulfillment ==0.1.1.4
   - di-core ==1.0.4
   - dictionary-sharing ==0.1.0.0
-  - Diff ==0.4.0
+  - Diff ==0.4.1
   - digest ==0.0.1.3
   - digits ==0.3.1
   - dimensional ==1.4
@@ -848,7 +848,7 @@ default-package-overrides:
   - GenericPretty ==1.2.2
   - generic-random ==1.4.0.0
   - generics-eot ==0.4.0.1
-  - generics-sop ==0.5.1.1
+  - generics-sop ==0.5.1.2
   - generics-sop-lens ==0.2.0.1
   - geniplate-mirror ==0.7.8
   - genvalidity ==0.11.0.2
@@ -880,7 +880,7 @@ default-package-overrides:
   - genvalidity-unordered-containers ==0.3.0.1
   - genvalidity-uuid ==0.1.0.4
   - genvalidity-vector ==0.3.0.1
-  - geojson ==4.0.2
+  - geojson ==4.0.4
   - getopt-generics ==0.13.0.4
   - ghc-byteorder ==4.11.0.0.10
   - ghc-check ==0.5.0.6
@@ -1059,7 +1059,7 @@ default-package-overrides:
   - hlibcpuid ==0.2.0
   - hlibgit2 ==0.18.0.16
   - hlibsass ==0.1.10.1
-  - hlint ==3.2.7
+  - hlint ==3.2.8
   - hmatrix ==0.20.2
   - hmatrix-backprop ==0.1.3.0
   - hmatrix-gsl ==0.19.0.1
@@ -1069,7 +1069,7 @@ default-package-overrides:
   - hmm-lapack ==0.4
   - hmpfr ==0.4.4
   - hnock ==0.4.0
-  - hoauth2 ==1.16.0
+  - hoauth2 ==1.16.1
   - hoogle ==5.0.18.3
   - hOpenPGP ==2.9.7
   - hopenpgp-tools ==0.23.6
@@ -1483,7 +1483,7 @@ default-package-overrides:
   - mersenne-random-pure64 ==0.2.2.0
   - messagepack ==0.5.4
   - metrics ==0.4.1.1
-  - mfsolve ==0.3.2.0
+  - mfsolve ==0.3.2.1
   - microlens ==0.4.12.0
   - microlens-aeson ==2.3.1
   - microlens-contra ==0.1.0.2
@@ -1875,7 +1875,7 @@ default-package-overrides:
   - protolude ==0.3.0
   - proxied ==0.3.1
   - psqueues ==0.2.7.3
-  - ptr-poker ==0.1.2.3
+  - ptr-poker ==0.1.2.4
   - publicsuffix ==0.20200526
   - pulse-simple ==0.1.14
   - pureMD5 ==2.1.4
@@ -1923,7 +1923,7 @@ default-package-overrides:
   - Ranged-sets ==0.4.0
   - range-set-list ==0.1.3.1
   - rank1dynamic ==0.4.1
-  - rank2classes ==1.4.3
+  - rank2classes ==1.4.4
   - Rasterific ==0.7.5.4
   - rasterific-svg ==0.3.3.2
   - ratel ==1.0.17
@@ -2058,7 +2058,7 @@ default-package-overrides:
   - sdl2-image ==2.0.0
   - sdl2-mixer ==1.1.0
   - sdl2-ttf ==2.1.2
-  - search-algorithms ==0.3.1
+  - search-algorithms ==0.3.2
   - secp256k1-haskell ==0.5.0
   - securemem ==0.1.10
   - selda ==0.5.1.0
@@ -2188,7 +2188,7 @@ default-package-overrides:
   - socket ==0.8.3.0
   - socks ==0.6.1
   - some ==1.0.2
-  - sop-core ==0.5.0.1
+  - sop-core ==0.5.0.2
   - sort ==1.0.0.0
   - sorted-list ==0.2.1.0
   - sourcemap ==0.1.7
@@ -2283,7 +2283,7 @@ default-package-overrides:
   - swagger ==0.3.0
   - swagger2 ==2.6
   - sweet-egison ==0.1.1.3
-  - swish ==0.10.0.9
+  - swish ==0.10.1.0
   - syb ==0.7.2.1
   - sydtest ==0.2.0.0
   - sydtest-discover ==0.0.0.1
@@ -2368,7 +2368,7 @@ default-package-overrides:
   - text-ldap ==0.1.1.14
   - textlocal ==0.1.0.5
   - text-manipulate ==0.3.0.0
-  - text-metrics ==0.3.1
+  - text-metrics ==0.3.2
   - text-postgresql ==0.0.3.1
   - text-printer ==0.5.0.2
   - text-regex-replace ==0.1.1.4
@@ -2411,7 +2411,7 @@ default-package-overrides:
   - th-test-utils ==1.1.1
   - th-utilities ==0.2.4.3
   - thyme ==0.3.5.5
-  - tidal ==1.7.9
+  - tidal ==1.7.10
   - tile ==0.3.0.0
   - time-compat ==1.9.5
   - timeit ==2.0
@@ -2447,7 +2447,7 @@ default-package-overrides:
   - transformers-compat ==0.6.6
   - transformers-fix ==1.0
   - traverse-with-class ==1.0.1.1
-  - tree-diff ==0.2.1
+  - tree-diff ==0.2.1.1
   - tree-fun ==0.8.1.0
   - tree-view ==0.5.1
   - trifecta ==2.1.2
@@ -2559,7 +2559,7 @@ default-package-overrides:
   - validity-vector ==0.2.0.3
   - valor ==0.1.0.0
   - vault ==0.3.1.5
-  - vcs-ignore ==0.0.1.0
+  - vcs-ignore ==0.0.2.0
   - vec ==0.4
   - vector ==0.12.3.1
   - vector-algorithms ==0.8.0.4