diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 19a613af..492592f0 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -176,6 +176,16 @@ jobs:
           allow-newer: proto-lens:base
           allow-newer: proto-lens-runtime:base
 
+          source-repository-package
+            type:     git
+            location: https://github.com/FinleyMcIlwaine/http-semantics
+            tag:      c9d6d172493085ccbf2235fbc06c285e367d5cd5
+
+          source-repository-package
+            type:     git
+            location: https://github.com/FinleyMcIlwaine/http2
+            tag:      6792b7c33613e92272eee3e2b3fe3b5adda182ee
+
           package grapesy
             tests:       True
             benchmarks:  True
diff --git a/cabal.project b/cabal.project
index de4c00c7..0ca1cdeb 100644
--- a/cabal.project
+++ b/cabal.project
@@ -7,6 +7,15 @@ package grapesy
 
 constraints: network-control==0.1.3
 
+source-repository-package
+  type: git
+  location: https://github.com/FinleyMcIlwaine/http-semantics
+  tag: c9d6d172493085ccbf2235fbc06c285e367d5cd5
+source-repository-package
+  type: git
+  location: https://github.com/FinleyMcIlwaine/http2
+  tag: 6792b7c33613e92272eee3e2b3fe3b5adda182ee
+
 --
 -- ghc 9.10
 --
diff --git a/cabal.project.ci b/cabal.project.ci
index db3117e2..3f9effc7 100644
--- a/cabal.project.ci
+++ b/cabal.project.ci
@@ -8,6 +8,15 @@ package grapesy
 
 constraints: network-control==0.1.3
 
+source-repository-package
+  type: git
+  location: https://github.com/FinleyMcIlwaine/http-semantics
+  tag: c9d6d172493085ccbf2235fbc06c285e367d5cd5
+source-repository-package
+  type: git
+  location: https://github.com/FinleyMcIlwaine/http2
+  tag: 6792b7c33613e92272eee3e2b3fe3b5adda182ee
+
 --
 -- ghc 9.10
 --