diff --git a/pkgs/development/interpreters/php/8.0.nix b/pkgs/development/interpreters/php/8.0.nix
index 877bc17298ee..c58c79415d40 100644
--- a/pkgs/development/interpreters/php/8.0.nix
+++ b/pkgs/development/interpreters/php/8.0.nix
@@ -42,6 +42,7 @@ base.withExtensions ({ all, ... }: with all; ([
   sockets
   soap
   sodium
+  sysvsem
   sqlite3
   tokenizer
   xmlreader
diff --git a/pkgs/development/interpreters/php/8.1.nix b/pkgs/development/interpreters/php/8.1.nix
index 233706a436f0..aa190bc3866c 100644
--- a/pkgs/development/interpreters/php/8.1.nix
+++ b/pkgs/development/interpreters/php/8.1.nix
@@ -42,6 +42,7 @@ base.withExtensions ({ all, ... }: with all; ([
   sockets
   soap
   sodium
+  sysvsem
   sqlite3
   tokenizer
   xmlreader