diff --git a/package.yaml b/package.yaml
index 8ff214ed..175a7ad1 100644
--- a/package.yaml
+++ b/package.yaml
@@ -34,11 +34,11 @@ library:
     - Data.ProtoLens.Encoding.Parser.Internal
     - Data.ProtoLens.TextFormat.Parser
   dependencies:
-    - base >= 4.10 && < 4.16
-    - bytestring == 0.10.*
+    - base >= 4.10 && < 4.17
+    - bytestring >= 0.10 && < 0.12
     - containers >= 0.5 && < 0.7
     - deepseq == 1.4.*
-    - ghc-prim >= 0.4 && < 0.8
+    - ghc-prim >= 0.4 && < 0.9
     - lens-family >= 1.2 && < 2.2
     - parsec == 3.1.*
     - pretty == 1.1.*
diff --git a/proto-lens.cabal b/proto-lens.cabal
index 778e4ea1..ad5a6350 100644
--- a/proto-lens.cabal
+++ b/proto-lens.cabal
@@ -58,11 +58,11 @@ library
   hs-source-dirs:
       src
   build-depends:
-      base >=4.10 && <4.16
-    , bytestring ==0.10.*
+      base >=4.10 && <4.17
+    , bytestring >=0.10 && <0.12
     , containers >=0.5 && <0.7
     , deepseq ==1.4.*
-    , ghc-prim >=0.4 && <0.8
+    , ghc-prim >=0.4 && <0.9
     , lens-family >=1.2 && <2.2
     , parsec ==3.1.*
     , pretty ==1.1.*