diff --git a/Cargo.lock b/Cargo.lock
index 94230f7..534dc9a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,12 +1,12 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "ahash"
-version = "0.7.6"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
+checksum = "891477e0c6a8957309ee5c45a6368af3ae14bb510732d2684ffa19af310920f9"
 dependencies = [
  "getrandom",
  "once_cell",
@@ -130,7 +130,7 @@ checksum = "3ee2393c4a91429dffb4bedf19f4d6abf27d8a732c8ce4980305d782e5426d57"
 
 [[package]]
 name = "dhcpm"
-version = "0.2.3"
+version = "0.2.4"
 dependencies = [
  "anyhow",
  "argh",
@@ -149,9 +149,9 @@ dependencies = [
 
 [[package]]
 name = "dhcproto"
-version = "0.9.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcee045385d5f7819022821f41209b9945d17550760b0b2349aaef4ecfa14bc3"
+checksum = "f6794294f2c4665aae452e950c2803a1e487c5672dc8448f0bfa3f52ff67e270"
 dependencies = [
  "dhcproto-macros",
  "hex",
@@ -399,9 +399,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.12.0"
+version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
 [[package]]
 name = "percent-encoding"
diff --git a/Cargo.toml b/Cargo.toml
index b6f3053..fa6ed62 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,26 +1,30 @@
 [package]
 name = "dhcpm"
-version = "0.2.3"
+version = "0.2.4"
 edition = "2021"
 authors = ["Evan Cameron <cameron.evan@gmail.com"]
 description = """
 A cli for mocking DHCP messages and running rhai scripts to test DHCP servers. Aims to support v4 & v6, thought v6 is as of yet unfinished.
 """
-categories = ["network-programming", "development-tools","command-line-utilities"]
+categories = [
+	"network-programming",
+	"development-tools",
+	"command-line-utilities",
+]
 repository = "https://github.com/leshow/dhcpm"
-keywords = ["dhcp","dhcpv4","dhcpv6", "cli"]
+keywords = ["dhcp", "dhcpv4", "dhcpv6", "cli"]
 license = "MIT"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-dhcproto = "0.9.0"
+dhcproto = "0.12.0"
 anyhow = "1.0"
 argh = "0.1.7"
 crossbeam-channel = "0.5.1"
 ctrlc = "3.1"
 mac_address = "1.1.1"
 tracing = "0.1"
-tracing-subscriber = { version = "0.3.14", features = ["env-filter","json"] }
+tracing-subscriber = { version = "0.3.14", features = ["env-filter", "json"] }
 rand = "0.8"
 hex = "0.4"
 rhai = { version = "1.5.0", optional = true }
diff --git a/src/bootreq.rs b/src/bootreq.rs
index cf63c41..1c1bd69 100644
--- a/src/bootreq.rs
+++ b/src/bootreq.rs
@@ -30,8 +30,8 @@ pub struct BootReqArgs {
     /// sname [default: None]
     #[argh(option)]
     pub sname: Option<String>,
-    /// add opts to the message
-    /// [ex: these are equivalent- "118,hex,C0A80001" or "118,ip,192.168.0.1"]
+    /// add opts to the message ("code,type,value")
+    /// [ex: "118,hex,C0A80001" or "118,ip,192.168.0.1" or "60,str,foobar"]
     #[argh(option, short = 'o', from_str_fn(parse_opts))]
     pub opt: Vec<v4::DhcpOption>,
 }
diff --git a/src/main.rs b/src/main.rs
index e3775a0..f10b39e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -267,11 +267,11 @@ fn ctrl_channel() -> Result<Receiver<()>> {
 #[argh(description = "dhcpm is a cli tool for sending dhcpv4/v6 messages
 
 ex  dhcpv4:
-        dhcpm 255.255.255.255 discover          (broadcast discover to default dhcp port)
-        dhcpm 192.168.0.255 discover            (broadcast discover on interface bound to 192.168.0.x)
-        dhcpm 0.0.0.0 -p 9901 discover          (unicast discover to 0.0.0.0:9901)
-        dhcpm 192.168.0.1 dora                  (unicast DORA to 192.168.0.1)
-        dhcpm 192.168.0.1 dora -o 118,C0A80001  (unicast DORA, incl opt 118:192.168.0.1)
+        dhcpm 255.255.255.255 discover              (broadcast discover to default dhcp port)
+        dhcpm 192.168.0.255 discover                (broadcast discover on interface bound to 192.168.0.x)
+        dhcpm 0.0.0.0 -p 9901 discover              (unicast discover to 0.0.0.0:9901)
+        dhcpm 192.168.0.1 dora                      (unicast DORA to 192.168.0.1)
+        dhcpm 192.168.0.1 dora -o 118,hex,C0A80001  (unicast DORA, incl opt 118:192.168.0.1)
     bootp:
         dhcpm 255.255.255.255 bootreq           (broadcast BOOTREQ)
     dhcpv6:
diff --git a/src/opts.rs b/src/opts.rs
index 3f1ff9b..3fdc65f 100644
--- a/src/opts.rs
+++ b/src/opts.rs
@@ -87,12 +87,13 @@ pub fn parse_opts(input: &str) -> Result<v4::DhcpOption, String> {
             let code = code.parse::<u8>().map_err(|_| "error parsing OptionCode")?;
             let opt = match *ty {
                 "hex" => Ok(hex::decode(val).map_err(|_| "decoding hex failed")?),
+                "str" => Ok(val.as_bytes().to_vec()),
                 "ip" => Ok(val
                     .parse::<Ipv4Addr>()
                     .map_err(|_| "decoding IP failed")?
                     .octets()
                     .to_vec()),
-                _ => Err("failed to decode with a type we understand \"hex\" or \"ip\""),
+                _ => Err("failed to decode with a type we understand \"hex\" or \"ip\" or \"str\""),
             }?;
             Ok(write_opt(code, opt).map_err(|e| {
                 eprintln!("{e}");