diff --git a/build-constraints.yaml b/build-constraints.yaml
index fee9715e..d0e5bc6d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1965,7 +1965,7 @@ packages:
         - apply-refact < 0 # GHC 8.4 via ghc-8.4.1
 
     "Andrew Gibiansky <andrew.gibiansky@gmail.com> @gibiansky":
-        - ipython-kernel < 0 # GHC 8.4 via uuid
+        - ipython-kernel
 
     "Andrés Sicard-Ramírez <asr@eafit.edu.co> @asr":
         - Agda < 0 # GHC 8.4 via template-haskell-2.13.0.0
@@ -3237,7 +3237,7 @@ packages:
         - servant-exceptions
 
     "Vaibhav Sagar <vaibhavsagar@gmail.com> @vaibhavsagar":
-        - ihaskell < 0 # GHC 8.4 via ghc-boot-8.4.1
+        - ihaskell
         - ghc-parser
 
     "Alexis Williams <alexis@typedr.at> @typedrat":