diff --git a/rust/runtime/mod.rs b/rust/runtime/mod.rs
index 8ab647fc..d1df565c 100644
--- a/rust/runtime/mod.rs
+++ b/rust/runtime/mod.rs
@@ -1,6 +1,6 @@
 pub mod custom;
 
-use base64::{prelude::BASE64_STANDARD_NO_PAD, Engine};
+use base64::{prelude::BASE64_STANDARD, Engine};
 use serde::{Deserialize, Deserializer};
 use serde::{Serialize, Serializer};
 
@@ -9,7 +9,7 @@ pub struct ByteVector(pub Vec<u8>);
 
 impl ByteVector {
     pub fn from_literal(s: &str) -> Self {
-        let v: Vec<u8> = BASE64_STANDARD_NO_PAD.decode(s).unwrap();
+        let v: Vec<u8> = BASE64_STANDARD.decode(s).unwrap();
         ByteVector(v)
     }
 }
@@ -19,7 +19,7 @@ impl Serialize for ByteVector {
     where
         S: Serializer,
     {
-        let bvs = BASE64_STANDARD_NO_PAD.encode(&self.0);
+        let bvs = BASE64_STANDARD.encode(&self.0);
         bvs.serialize(serializer)
     }
 }
@@ -30,7 +30,7 @@ impl<'de> Deserialize<'de> for ByteVector {
         D: Deserializer<'de>,
     {
         let s = String::deserialize(deserializer)?;
-        let v: Vec<u8> = BASE64_STANDARD_NO_PAD
+        let v: Vec<u8> = BASE64_STANDARD
             .decode(s)
             .map_err(|_| serde::de::Error::custom("expected a base64 string"))?;
         Ok(ByteVector(v))