diff --git a/api/io/all-features.txt b/api/io/all-features.txt
index aef13ac56..af10dd887 100644
--- a/api/io/all-features.txt
+++ b/api/io/all-features.txt
@@ -214,6 +214,8 @@ pub fn bitcoin_io::BufRead::consume(&mut self, amount: usize)
 pub fn bitcoin_io::BufRead::fill_buf(&mut self) -> bitcoin_io::Result<&[u8]>
 pub fn bitcoin_io::Cursor<T>::consume(&mut self, amount: usize)
 pub fn bitcoin_io::Cursor<T>::fill_buf(&mut self) -> bitcoin_io::Result<&[u8]>
+pub fn bitcoin_io::Cursor<T>::get_mut(&mut self) -> &mut T
+pub fn bitcoin_io::Cursor<T>::get_ref(&self) -> &T
 pub fn bitcoin_io::Cursor<T>::inner(&self) -> &T
 pub fn bitcoin_io::Cursor<T>::into_inner(self) -> T
 pub fn bitcoin_io::Cursor<T>::new(inner: T) -> Self
diff --git a/api/io/alloc-only.txt b/api/io/alloc-only.txt
index b0aaeff4e..572cb17e1 100644
--- a/api/io/alloc-only.txt
+++ b/api/io/alloc-only.txt
@@ -91,6 +91,8 @@ pub fn bitcoin_io::BufRead::consume(&mut self, amount: usize)
 pub fn bitcoin_io::BufRead::fill_buf(&mut self) -> bitcoin_io::Result<&[u8]>
 pub fn bitcoin_io::Cursor<T>::consume(&mut self, amount: usize)
 pub fn bitcoin_io::Cursor<T>::fill_buf(&mut self) -> bitcoin_io::Result<&[u8]>
+pub fn bitcoin_io::Cursor<T>::get_mut(&mut self) -> &mut T
+pub fn bitcoin_io::Cursor<T>::get_ref(&self) -> &T
 pub fn bitcoin_io::Cursor<T>::inner(&self) -> &T
 pub fn bitcoin_io::Cursor<T>::into_inner(self) -> T
 pub fn bitcoin_io::Cursor<T>::new(inner: T) -> Self
diff --git a/api/io/no-features.txt b/api/io/no-features.txt
index facd4c3ef..93613d4e6 100644
--- a/api/io/no-features.txt
+++ b/api/io/no-features.txt
@@ -87,6 +87,8 @@ pub fn bitcoin_io::BufRead::consume(&mut self, amount: usize)
 pub fn bitcoin_io::BufRead::fill_buf(&mut self) -> bitcoin_io::Result<&[u8]>
 pub fn bitcoin_io::Cursor<T>::consume(&mut self, amount: usize)
 pub fn bitcoin_io::Cursor<T>::fill_buf(&mut self) -> bitcoin_io::Result<&[u8]>
+pub fn bitcoin_io::Cursor<T>::get_mut(&mut self) -> &mut T
+pub fn bitcoin_io::Cursor<T>::get_ref(&self) -> &T
 pub fn bitcoin_io::Cursor<T>::inner(&self) -> &T
 pub fn bitcoin_io::Cursor<T>::into_inner(self) -> T
 pub fn bitcoin_io::Cursor<T>::new(inner: T) -> Self