diff --git a/lib/runtime-core/Cargo.toml b/lib/runtime-core/Cargo.toml
index dc5998e4a..3cde70351 100644
--- a/lib/runtime-core/Cargo.toml
+++ b/lib/runtime-core/Cargo.toml
@@ -13,7 +13,6 @@ page_size = "0.4.1"
 wasmparser = "0.35.1"
 parking_lot = "0.9.0"
 lazy_static = "1.3.0"
-indexmap = "1.0.2"
 errno = "0.2.4"
 libc = "0.2.60"
 hex = "0.3.2"
@@ -21,6 +20,10 @@ smallvec = "0.6.10"
 bincode = "1.1"
 colored = "1.8"
 
+[dependencies.indexmap]
+version = "1.0.2"
+features = ["serde-1"]
+
 # Dependencies for caching.
 [dependencies.serde]
 version = "1.0.98"
diff --git a/lib/runtime-core/src/export.rs b/lib/runtime-core/src/export.rs
index 26bc14019..52ea9cf61 100644
--- a/lib/runtime-core/src/export.rs
+++ b/lib/runtime-core/src/export.rs
@@ -2,7 +2,7 @@ use crate::{
     global::Global, instance::InstanceInner, memory::Memory, module::ExportIndex,
     module::ModuleInner, table::Table, types::FuncSig, vm,
 };
-use std::collections::hash_map;
+use indexmap::map::Iter as IndexMapIter;
 use std::sync::Arc;
 
 #[derive(Debug, Copy, Clone)]
@@ -41,7 +41,7 @@ impl FuncPointer {
 
 pub struct ExportIter<'a> {
     inner: &'a InstanceInner,
-    iter: hash_map::Iter<'a, String, ExportIndex>,
+    iter: IndexMapIter<'a, String, ExportIndex>,
     module: &'a ModuleInner,
 }
 
diff --git a/lib/runtime-core/src/module.rs b/lib/runtime-core/src/module.rs
index 1faad791c..6cc02343f 100644
--- a/lib/runtime-core/src/module.rs
+++ b/lib/runtime-core/src/module.rs
@@ -40,7 +40,7 @@ pub struct ModuleInfo {
     pub imported_tables: Map<ImportedTableIndex, (ImportName, TableDescriptor)>,
     pub imported_globals: Map<ImportedGlobalIndex, (ImportName, GlobalDescriptor)>,
 
-    pub exports: HashMap<String, ExportIndex>,
+    pub exports: IndexMap<String, ExportIndex>,
 
     pub data_initializers: Vec<DataInitializer>,
     pub elem_initializers: Vec<TableInitializer>,
diff --git a/lib/runtime-core/src/vm.rs b/lib/runtime-core/src/vm.rs
index 291c08bc2..d11220c73 100644
--- a/lib/runtime-core/src/vm.rs
+++ b/lib/runtime-core/src/vm.rs
@@ -850,6 +850,7 @@ mod vm_ctx_tests {
         use crate::cache::Error as CacheError;
         use crate::typed_func::Wasm;
         use crate::types::{LocalFuncIndex, SigIndex};
+        use indexmap::IndexMap;
         use std::any::Any;
         use std::collections::HashMap;
         use std::ptr::NonNull;
@@ -890,7 +891,7 @@ mod vm_ctx_tests {
                 imported_tables: Map::new(),
                 imported_globals: Map::new(),
 
-                exports: HashMap::new(),
+                exports: IndexMap::new(),
 
                 data_initializers: Vec::new(),
                 elem_initializers: Vec::new(),