diff --git a/go.mod b/go.mod
index 5c5e5ab..7ec8272 100644
--- a/go.mod
+++ b/go.mod
@@ -19,8 +19,8 @@ require (
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/microcosm-cc/bluemonday v1.0.24
 	github.com/nbd-wtf/emoji v0.0.3
-	github.com/nbd-wtf/go-nostr v0.34.4
-	github.com/nbd-wtf/nostr-sdk v0.4.0
+	github.com/nbd-wtf/go-nostr v0.34.5
+	github.com/nbd-wtf/nostr-sdk v0.4.1
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pemistahl/lingua-go v1.4.0
diff --git a/go.sum b/go.sum
index 58131ad..90c52ed 100644
--- a/go.sum
+++ b/go.sum
@@ -188,10 +188,10 @@ github.com/mna/pigeon v1.1.0 h1:EjlvVbkGnNGemf8OrjeJX0nH8orujY/HkJgzJtd7kxc=
 github.com/mna/pigeon v1.1.0/go.mod h1:rkFeDZ0gc+YbnrXPw0q2RlI0QRuKBBPu67fgYIyGRNg=
 github.com/nbd-wtf/emoji v0.0.3 h1:YtkT7MVPXvqU1SQjvC/CShlWexnREzqNCxmhUnL00CA=
 github.com/nbd-wtf/emoji v0.0.3/go.mod h1:tS6D9iI34qwBmWc5g8X7tVDkWXulqbTJRsvsM6QsS88=
-github.com/nbd-wtf/go-nostr v0.34.4 h1:bWjUnD5B6vdK8o+Un2EKAJ8cA2o+myQKzdZa/HxqTMk=
-github.com/nbd-wtf/go-nostr v0.34.4/go.mod h1:NZQkxl96ggbO8rvDpVjcsojJqKTPwqhP4i82O7K5DJs=
-github.com/nbd-wtf/nostr-sdk v0.4.0 h1:ccZ5gywIE5LrFPj/DY4D7N/3NHYZBEBnT7VW6V1ySNo=
-github.com/nbd-wtf/nostr-sdk v0.4.0/go.mod h1:9xYfyBO2pSoOGGel770n/sgcj1x6wyFcX4tbb0eiOGc=
+github.com/nbd-wtf/go-nostr v0.34.5 h1:vti8WqvGWbVoWAPniaz7li2TpCyC+7ZS62Gmy7ib/z0=
+github.com/nbd-wtf/go-nostr v0.34.5/go.mod h1:NZQkxl96ggbO8rvDpVjcsojJqKTPwqhP4i82O7K5DJs=
+github.com/nbd-wtf/nostr-sdk v0.4.1 h1:ntS+cwyMJb4JgjwyxWDqZEuM/l9K+Pw9R/2GjpsXk2c=
+github.com/nbd-wtf/nostr-sdk v0.4.1/go.mod h1:MJ7gYv3XiZKU6MHSM0N7oHqQAQhbvpgGQk4Q+XUdIUs=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
diff --git a/nostr.go b/nostr.go
index fe3f9b8..7d2fc36 100644
--- a/nostr.go
+++ b/nostr.go
@@ -22,11 +22,9 @@ type RelayConfig struct {
 }
 
 var (
-	metadataCache  = cache_memory.New32[sdk.ProfileMetadata](1000)
-	relayListCache = cache_memory.New32[sdk.RelayList](5000)
-	sys            = sdk.NewSystem(
-		sdk.WithMetadataCache(metadataCache),
-		sdk.WithRelayListCache(relayListCache),
+	sys = sdk.NewSystem(
+		sdk.WithMetadataCache(cache_memory.New32[sdk.ProfileMetadata](10000)),
+		sdk.WithRelayListCache(cache_memory.New32[sdk.RelayList](10000)),
 	)
 	serial int