diff --git a/Cargo.lock b/Cargo.lock
index 4e5026dd0..62e47fcfc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5584,9 +5584,9 @@ dependencies = [
 
 [[package]]
 name = "schemars"
-version = "0.8.19"
+version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc6e7ed6919cb46507fb01ff1654309219f62b4d603822501b0b80d42f6f21ef"
+checksum = "09c024468a378b7e36765cd36702b7a90cc3cba11654f6685c8f233408e89e92"
 dependencies = [
  "dyn-clone",
  "schemars_derive",
@@ -5596,9 +5596,9 @@ dependencies = [
 
 [[package]]
 name = "schemars_derive"
-version = "0.8.19"
+version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "185f2b7aa7e02d418e453790dde16890256bbd2bcd04b7dc5348811052b53f49"
+checksum = "b1eee588578aff73f856ab961cd2f79e36bc45d7ded33a7562adba4667aecc0e"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/deltachat-jsonrpc/Cargo.toml b/deltachat-jsonrpc/Cargo.toml
index 6b1b7f55b..f79957e7f 100644
--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -17,7 +17,7 @@ anyhow = "1"
 deltachat = { path = ".." }
 deltachat-contact-tools = { path = "../deltachat-contact-tools" }
 num-traits = "0.2"
-schemars = "0.8.19"
+schemars = "0.8.21"
 serde = { version = "1.0", features = ["derive"] }
 tempfile = "3.10.1"
 log = "0.4"