diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f1ea5692..5d5dfe768 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 10.1.0 (3 July 2024)
+
+- c-ares 1.32.0
+
 ## 10.0.0 (7 June 2024)
 
 - string values are `&str`, not `CStr`
diff --git a/Cargo.toml b/Cargo.toml
index 9ace100ee..5bae89f5e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "c-ares"
 license = "MIT"
-version = "10.0.0"
+version = "10.1.0"
 authors = ["David Hotham"]
 description = """
 A Rust wrapper for the c-ares library, for asynchronous DNS requests.
@@ -25,7 +25,7 @@ features = ["vendored"]
 
 [dependencies]
 bitflags = "2.0"
-c-ares-sys = { version = "9.2.0", path = "c-ares-sys", default-features = false }
+c-ares-sys = { version = "9.5.0", path = "c-ares-sys", default-features = false }
 c-types = "3.0.0"
 itertools = "0.13"
 
diff --git a/src/flags.rs b/src/flags.rs
index a666c7339..c2a6a7437 100644
--- a/src/flags.rs
+++ b/src/flags.rs
@@ -34,7 +34,17 @@ bitflags!(
         /// for writing clients which might be used to test or debug name servers.
         const NOCHECKRESP = c_ares_sys::ARES_FLAG_NOCHECKRESP;
 
-        /// Use Extension Mechanisms for DNS.
+        /// Include an EDNS pseudo-resource record (RFC 2671) in generated requests.  As of c-ares
+        /// v1.22, this is on by default if flags are otherwise not set.
         const EDNS = c_ares_sys::ARES_FLAG_EDNS;
+
+        /// Do not attempt to add a default local named server if there are no other servers
+        /// available.  Instead, fail initialization with ARES_ENOSERVER.
+        const NO_DFLT_SVR = c_ares_sys::ARES_FLAG_NO_DFLT_SVR;
+
+        /// Enable support for DNS 0x20 as per
+        /// https://datatracker.ietf.org/doc/html/draft-vixie-dnsext-dns0x20-00 which adds
+        /// additional entropy to the request by randomizing the case of the query name.
+        const DNS_0X20 = c_ares_sys::ARES_FLAG_DNS0x20;
     }
 );