diff --git a/crates/client/src/serialize/txt/rdata_parsers/caa.rs b/crates/client/src/serialize/txt/rdata_parsers/caa.rs
index a3c976dcce..20fb72be68 100644
--- a/crates/client/src/serialize/txt/rdata_parsers/caa.rs
+++ b/crates/client/src/serialize/txt/rdata_parsers/caa.rs
@@ -58,7 +58,7 @@ pub(crate) fn parse<'i, I: Iterator<Item = &'i str>>(mut tokens: I) -> ParseResu
 
     // parse the flags
     let issuer_critical = {
-        let flags = u8::from_str_radix(flags_str, 10)?;
+        let flags = flags_str.parse::<u8>()?;
         if flags & 0b0111_1111 != 0 {
             warn!("unexpected flag values in caa (0 or 128): {}", flags);
         }
diff --git a/crates/client/src/serialize/txt/rdata_parsers/tlsa.rs b/crates/client/src/serialize/txt/rdata_parsers/tlsa.rs
index 0655459c0b..689e301a41 100644
--- a/crates/client/src/serialize/txt/rdata_parsers/tlsa.rs
+++ b/crates/client/src/serialize/txt/rdata_parsers/tlsa.rs
@@ -13,7 +13,7 @@ use crate::rr::rdata::tlsa::CertUsage;
 use crate::rr::rdata::{sshfp, TLSA};
 
 fn to_u8(data: &str) -> ParseResult<u8> {
-    u8::from_str_radix(data, 10).map_err(ParseError::from)
+    data.parse::<u8>().map_err(ParseError::from)
 }
 
 /// Parse the RData from a set of Tokens