diff --git a/Color/src/Graphics/Color/Space/Internal.hs b/Color/src/Graphics/Color/Space/Internal.hs
index 16be2a6..48a23ba 100644
--- a/Color/src/Graphics/Color/Space/Internal.hs
+++ b/Color/src/Graphics/Color/Space/Internal.hs
@@ -71,7 +71,7 @@ import Graphics.Color.Model.Internal
 import qualified Graphics.Color.Model.X as CM
 import Data.Typeable
 import Data.Coerce
-import GHC.TypeNats
+import GHC.TypeLits
 import Data.Kind
 
 class (Illuminant i, ColorModel (BaseModel cs) e, ColorModel cs e) =>
diff --git a/stack/ghc-8.0.2.yaml b/stack/ghc-8.0.2.yaml
index 9f467de..eecdbef 100644
--- a/stack/ghc-8.0.2.yaml
+++ b/stack/ghc-8.0.2.yaml
@@ -17,4 +17,4 @@ extra-deps:
 - call-stack-0.4.0@sha256:ac44d2c00931dc20b01750da8c92ec443eb63a7231e8550188cb2ac2385f7feb,1200
 - primitive-0.6.4.0@sha256:5b6a2c3cc70a35aabd4565fcb9bb1dd78fe2814a36e62428a9a1aae8c32441a1,2079
 - pvar-0.2.0.0@sha256:786ab43a3e7921d0086e723e620120543200c57b53f5e0f6ef1cb570c94a9144,1825
-- unliftio-core-0.1.1.0
+- unliftio-core-0.1.2.0@sha256:b0a7652ffce2284a6cebe05c99eb60573a8fb6631163f34b0b30a80b4a78cb23,1081
diff --git a/stack/ghc-8.2.2.yaml b/stack/ghc-8.2.2.yaml
index b644012..7a84ce4 100644
--- a/stack/ghc-8.2.2.yaml
+++ b/stack/ghc-8.2.2.yaml
@@ -15,4 +15,4 @@ extra-deps:
 - scheduler-1.5.0@sha256:8b43f2991bf9a720b12192ba99525f705a44aeae9541a7bd73fbc7e7b56fd8f0,2437
 - primitive-0.6.4.0@sha256:5b6a2c3cc70a35aabd4565fcb9bb1dd78fe2814a36e62428a9a1aae8c32441a1,2079
 - pvar-0.2.0.0@sha256:786ab43a3e7921d0086e723e620120543200c57b53f5e0f6ef1cb570c94a9144,1825
-- unliftio-core-0.1.2.0
+- unliftio-core-0.1.2.0@sha256:b0a7652ffce2284a6cebe05c99eb60573a8fb6631163f34b0b30a80b4a78cb23,1081
diff --git a/stack/ghc-8.2.2.yaml.lock b/stack/ghc-8.2.2.yaml.lock
index bb2b50f..a706d13 100644
--- a/stack/ghc-8.2.2.yaml.lock
+++ b/stack/ghc-8.2.2.yaml.lock
@@ -94,7 +94,14 @@ packages:
       sha256: ee0d47cbd05d622c53c9d61d51e7a84019c7e164b55b1676ba848763776ebfa8
       size: 699
   original:
-    hackage: pvar-0.2.0.0
+    hackage: pvar-0.2.0.0@sha256:786ab43a3e7921d0086e723e620120543200c57b53f5e0f6ef1cb570c94a9144,1825
+- completed:
+    hackage: unliftio-core-0.1.2.0@sha256:b0a7652ffce2284a6cebe05c99eb60573a8fb6631163f34b0b30a80b4a78cb23,1081
+    pantry-tree:
+      sha256: 9d970bf5f98e68e8fc129b04d6c9d8eb1e641c7556ffd0f0a168a259335b6fd7
+      size: 328
+  original:
+    hackage: unliftio-core-0.1.2.0
 snapshots:
 - completed:
     sha256: 341870ac98d8a9f8f77c4adf2e9e0b22063e264a7fbeb4c85b7af5f380dac60e