diff --git a/embassy-net/Cargo.toml b/embassy-net/Cargo.toml
index 8a29aca79..1090892e0 100644
--- a/embassy-net/Cargo.toml
+++ b/embassy-net/Cargo.toml
@@ -27,7 +27,7 @@ default = []
 std = []
 
 ## Enable defmt
-defmt = ["dep:defmt", "smoltcp/defmt", "embassy-net-driver/defmt", "heapless/defmt-03"]
+defmt = ["dep:defmt", "smoltcp/defmt", "embassy-net-driver/defmt", "heapless/defmt-03", "defmt?/ip_in_core"]
 
 ## Trace all raw received and transmitted packets using defmt or log.
 packet-trace = []
@@ -65,7 +65,7 @@ multicast = ["smoltcp/multicast"]
 
 [dependencies]
 
-defmt = { version = "0.3", optional = true }
+defmt = { version = "0.3.8", optional = true }
 log = { version = "0.4.14", optional = true }
 
 smoltcp = { git="https://github.com/smoltcp-rs/smoltcp", rev="fe0b4d102253465850cd1cf39cd33d4721a4a8d5", default-features = false, features = [