diff --git a/composer.json b/composer.json
index 2619a1a..5b9de30 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
         "amphp/sync": "^2.3",
         "league/uri": "^7.8",
         "psr/log": "^3.0",
-        "revolt/event-loop": "1.0.8",
+        "revolt/event-loop": "^1.0.8",
         "thesis/endian": "^0.3.3",
         "thesis/googleapis-rpc-types": "^0.1.6",
         "thesis/package-version": "^0.1.2",
diff --git a/packages/grpc/composer.json b/packages/grpc/composer.json
index cccc9b8..800ab1d 100644
--- a/packages/grpc/composer.json
+++ b/packages/grpc/composer.json
@@ -23,7 +23,7 @@
         "amphp/amp": "^3.1",
         "amphp/byte-stream": "^2.1",
         "amphp/pipeline": "^1.2",
-        "revolt/event-loop": "1.0.8",
+        "revolt/event-loop": "^1.0.8",
         "thesis/endian": "^0.3.3",
         "thesis/googleapis-rpc-types": "^0.1.6",
         "thesis/package-version": "^0.1.2",