From e09d78f793b1fd189bf5ed59251ea906feb24df3 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 23 Jun 2023 20:05:18 -0700
Subject: [PATCH] Update indexmap dependency used for preserve_order feature to
 version 2

---
 .github/workflows/ci.yml | 4 +++-
 Cargo.toml               | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bc74a5111..03cd3ae48 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,7 +37,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [beta, 1.56.1]
+        rust: [beta, 1.64.0, 1.56.1]
         os: [ubuntu]
         include:
           - rust: stable
@@ -61,7 +61,9 @@ jobs:
       - run: cargo check --manifest-path tests/crate/Cargo.toml --no-default-features --features alloc,arbitrary_precision
       - run: cargo check --manifest-path tests/crate/Cargo.toml --no-default-features --features alloc,raw_value
       - run: cargo check --features preserve_order
+        if: matrix.rust != '1.56.1'
       - run: cargo check --manifest-path tests/crate/Cargo.toml --no-default-features --features alloc,preserve_order
+        if: matrix.rust != '1.56.1'
       - name: Build without std
         run: cargo check --manifest-path tests/crate/Cargo.toml --target ${{matrix.target}} --no-default-features --features alloc
         if: matrix.target
diff --git a/Cargo.toml b/Cargo.toml
index 09fb908ca..5f1ad071e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ rust-version = "1.36"
 
 [dependencies]
 serde = { version = "1.0.100", default-features = false }
-indexmap = { version = "1.5.2", features = ["std"], optional = true }
+indexmap = { version = "2", optional = true }
 itoa = "1.0"
 ryu = "1.0"