diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/mod.rs b/crates/proc_macro_srv/src/abis/abi_1_48/mod.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/mod.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/mod.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/buffer.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/buffer.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/buffer.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/buffer.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/client.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/client.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/client.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/client.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/closure.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/closure.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/closure.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/closure.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/handle.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/handle.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/handle.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/handle.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/mod.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/mod.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/mod.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/mod.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/rpc.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/rpc.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/rpc.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/rpc.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/scoped_cell.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/scoped_cell.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/scoped_cell.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/scoped_cell.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/server.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/server.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/bridge/server.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/bridge/server.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/diagnostic.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/diagnostic.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/diagnostic.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/diagnostic.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/mod.rs b/crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/mod.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/proc_macro/mod.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/proc_macro/mod.rs
diff --git a/crates/proc_macro_srv/src/abis/abi_1_47/rustc_server.rs b/crates/proc_macro_srv/src/abis/abi_1_48/rustc_server.rs
similarity index 100%
rename from crates/proc_macro_srv/src/abis/abi_1_47/rustc_server.rs
rename to crates/proc_macro_srv/src/abis/abi_1_48/rustc_server.rs
diff --git a/crates/proc_macro_srv/src/abis/mod.rs b/crates/proc_macro_srv/src/abis/mod.rs
index 3cade0aa47..87fca8caab 100644
--- a/crates/proc_macro_srv/src/abis/mod.rs
+++ b/crates/proc_macro_srv/src/abis/mod.rs
@@ -24,14 +24,14 @@
 //!
 
 // pub(crate) so tests can use the TokenStream, more notes in test/utils.rs
-pub(crate) mod abi_1_47;
+pub(crate) mod abi_1_48;
 mod abi_1_54;
 mod abi_1_56;
 mod abi_1_57;
 mod abi_1_58;
 
 use super::dylib::LoadProcMacroDylibError;
-pub(crate) use abi_1_47::Abi as Abi_1_47;
+pub(crate) use abi_1_48::Abi as Abi_1_48;
 pub(crate) use abi_1_54::Abi as Abi_1_54;
 pub(crate) use abi_1_56::Abi as Abi_1_56;
 pub(crate) use abi_1_57::Abi as Abi_1_57;
@@ -50,7 +50,7 @@ impl PanicMessage {
 }
 
 pub(crate) enum Abi {
-    Abi1_47(Abi_1_47),
+    Abi1_48(Abi_1_48),
     Abi1_54(Abi_1_54),
     Abi1_56(Abi_1_56),
     Abi1_57(Abi_1_57),
@@ -75,9 +75,9 @@ impl Abi {
         // FIXME: this should use exclusive ranges when they're stable
         // https://github.com/rust-lang/rust/issues/37854
         match (info.version.0, info.version.1) {
-            (1, 47..=53) => {
-                let inner = unsafe { Abi_1_47::from_lib(lib, symbol_name) }?;
-                Ok(Abi::Abi1_47(inner))
+            (1, 48..=53) => {
+                let inner = unsafe { Abi_1_48::from_lib(lib, symbol_name) }?;
+                Ok(Abi::Abi1_48(inner))
             }
             (1, 54..=55) => {
                 let inner = unsafe { Abi_1_54::from_lib(lib, symbol_name) }?;
@@ -106,7 +106,7 @@ impl Abi {
         attributes: Option<&tt::Subtree>,
     ) -> Result<tt::Subtree, PanicMessage> {
         match self {
-            Self::Abi1_47(abi) => abi.expand(macro_name, macro_body, attributes),
+            Self::Abi1_48(abi) => abi.expand(macro_name, macro_body, attributes),
             Self::Abi1_54(abi) => abi.expand(macro_name, macro_body, attributes),
             Self::Abi1_56(abi) => abi.expand(macro_name, macro_body, attributes),
             Self::Abi1_57(abi) => abi.expand(macro_name, macro_body, attributes),
@@ -116,7 +116,7 @@ impl Abi {
 
     pub fn list_macros(&self) -> Vec<(String, ProcMacroKind)> {
         match self {
-            Self::Abi1_47(abi) => abi.list_macros(),
+            Self::Abi1_48(abi) => abi.list_macros(),
             Self::Abi1_54(abi) => abi.list_macros(),
             Self::Abi1_56(abi) => abi.list_macros(),
             Self::Abi1_57(abi) => abi.list_macros(),
diff --git a/crates/proc_macro_srv/src/tests/utils.rs b/crates/proc_macro_srv/src/tests/utils.rs
index f8cbf70b61..d1f492ee8f 100644
--- a/crates/proc_macro_srv/src/tests/utils.rs
+++ b/crates/proc_macro_srv/src/tests/utils.rs
@@ -11,14 +11,14 @@ pub mod fixtures {
     }
 }
 
-fn parse_string(code: &str) -> Option<crate::abis::abi_1_47::TokenStream> {
+fn parse_string(code: &str) -> Option<crate::abis::abi_1_48::TokenStream> {
     // This is a bit strange. We need to parse a string into a token stream into
     // order to create a tt::SubTree from it in fixtures. `into_subtree` is
     // implemented by all the ABIs we have so we arbitrarily choose one ABI to
     // write a `parse_string` function for and use that. The tests don't really
     // care which ABI we're using as the `into_subtree` function isn't part of
     // the ABI and shouldn't change between ABI versions.
-    crate::abis::abi_1_47::TokenStream::from_str(code).ok()
+    crate::abis::abi_1_48::TokenStream::from_str(code).ok()
 }
 
 pub fn assert_expand(macro_name: &str, ra_fixture: &str, expect: Expect) {