diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d46dd0a7..93c3b9fe 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -31,7 +31,7 @@ cglib-nodep = "cglib:cglib-nodep:3.3.0"
 
 detekt-formatting = { module = "io.gitlab.arturbosch.detekt:detekt-formatting", version.ref = "detekt" }
 
-emerald-api = "io.emeraldpay:emerald-api:0.11.0"
+emerald-api = "io.emeraldpay:emerald-api:0.11.1"
 
 equals-verifier = "nl.jqno.equalsverifier:equalsverifier:3.3"
 
diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/bitcoin/BitcoinFees.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/bitcoin/BitcoinFees.kt
index 74577587..2db0f177 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/bitcoin/BitcoinFees.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/bitcoin/BitcoinFees.kt
@@ -134,7 +134,7 @@ class BitcoinFees(
             BlockchainOuterClass.EstimateFeeResponse.newBuilder()
                 .setBitcoinStd(
                     BlockchainOuterClass.BitcoinStdFees.newBuilder()
-                        .setSatPerKb(fee.toString())
+                        .setSatPerKb(fee)
                 )
                 .build()
         }