diff --git a/stack.yaml b/stack.yaml
index 065c9350760..18f169303c3 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -229,6 +229,12 @@ extra-deps:
   subdirs:
     - http2-client-grpc
 
+# Fix in for issue #27: https://github.com/kazu-yamamoto/http2/issues/27
+# PR here: https://github.com/kazu-yamamoto/http2/pull/28
+# Note: the commit used here is based on version 2.0.6 of http2
+- git: https://github.com/wireapp/http2 # (2021-06-09) branch: header-encoding-0-size-table-backport
+  commit: 7c465be1201e0945b106f7cc6176ac1b1193be13
+
 ############################################################
 # Development tools
 ############################################################
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 2eec1d39671..097a1ec7239 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -767,6 +767,17 @@ packages:
     subdir: http2-client-grpc
     git: https://github.com/akshaymankar/http2-grpc-haskell
     commit: 43507d54515cd5870e8f6d1f03b4d23e6cd460e2
+- completed:
+    name: http2
+    version: 2.0.6
+    git: https://github.com/wireapp/http2
+    pantry-tree:
+      size: 51601
+      sha256: 0a048cf85ab9614f2da80e3a8cf72ee7674cecea86b37a5e56011add73e5fa03
+    commit: 7c465be1201e0945b106f7cc6176ac1b1193be13
+  original:
+    git: https://github.com/wireapp/http2
+    commit: 7c465be1201e0945b106f7cc6176ac1b1193be13
 - completed:
     hackage: ormolu-0.1.4.1@sha256:ed404eac6e4eb64da1ca5fb749e0f99907431a9633e6ba34e44d260e7d7728ba,6499
     pantry-tree: