diff --git a/src/util/schnorr.rs b/src/util/schnorr.rs
index 10455524..38c40e6a 100644
--- a/src/util/schnorr.rs
+++ b/src/util/schnorr.rs
@@ -110,6 +110,7 @@ impl TweakedPublicKey {
 
 /// A BIP340-341 serialized schnorr signature with the corresponding hash type.
 #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct SchnorrSig {
     /// The underlying schnorr signature
     pub sig: secp256k1::schnorrsig::Signature,
diff --git a/src/util/sighash.rs b/src/util/sighash.rs
index 10e333ee..2076c9ca 100644
--- a/src/util/sighash.rs
+++ b/src/util/sighash.rs
@@ -104,6 +104,7 @@ pub struct ScriptPath<'s> {
 /// Hashtype of an input's signature, encoded in the last byte of the signature
 /// Fixed values so they can be casted as integer types for encoding
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub enum SchnorrSigHashType {
     /// 0x0: Used when not explicitly specified, defaulting to [`SchnorrSigHashType::All`]
     Default = 0x00,
diff --git a/src/util/taproot.rs b/src/util/taproot.rs
index 57ebd938..1a824dfc 100644
--- a/src/util/taproot.rs
+++ b/src/util/taproot.rs
@@ -345,6 +345,7 @@ impl TaprootSpendInfo {
 /// branches in a DFS(Depth first search) walk to construct this tree.
 // Similar to Taproot Builder in bitcoin core
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct TaprootBuilder {
     // The following doc-comment is from bitcoin core, but modified for rust
     // The comment below describes the current state of the builder for a given tree.
@@ -484,7 +485,8 @@ impl TaprootBuilder {
 
 // Internally used structure to represent the node information in taproot tree
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-struct NodeInfo {
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+pub(crate) struct NodeInfo {
     /// Merkle Hash for this node
     hash: sha256::Hash,
     /// information about leaves inside this node
@@ -537,7 +539,8 @@ impl NodeInfo {
 
 // Internally used structure to store information about taproot leaf node
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-struct LeafInfo {
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+pub(crate) struct LeafInfo {
     // The underlying script
     script: Script,
     // The leaf version
@@ -567,6 +570,7 @@ impl LeafInfo {
 // The type of hash is sha256::Hash because the vector might contain
 // both TapBranchHash and TapLeafHash
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct TaprootMerkleBranch(Vec<sha256::Hash>);
 
 impl TaprootMerkleBranch {
@@ -638,6 +642,7 @@ impl TaprootMerkleBranch {
 
 /// Control Block data structure used in Tapscript satisfaction
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct ControlBlock {
     /// The tapleaf version,
     pub leaf_version: LeafVersion,
@@ -744,6 +749,7 @@ impl ControlBlock {
 
 /// The leaf version for tapleafs
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct LeafVersion(u8);
 
 impl Default for LeafVersion {