diff --git a/Cargo.lock b/Cargo.lock
index 02da8661eede..e1ba084184c3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1925,6 +1925,7 @@ dependencies = [
  "regex",
  "rstest",
  "rustyline",
+ "serde_json",
  "testcontainers-modules",
  "tokio",
  "url",
diff --git a/datafusion-cli/Cargo.toml b/datafusion-cli/Cargo.toml
index 40e0e50dacd7..19dc83d518b3 100644
--- a/datafusion-cli/Cargo.toml
+++ b/datafusion-cli/Cargo.toml
@@ -78,3 +78,11 @@ insta = { workspace = true }
 insta-cmd = "0.6.0"
 rstest = { workspace = true }
 testcontainers-modules = { workspace = true, features = ["minio"] }
+# Makes sure `test_display_pg_json` behaves in a consistent way regardless of
+# feature unification with dependencies
+serde_json = { workspace = true, features = ["preserve_order"] }
+
+# Required because we pull serde_json with a feature to get consistent pg display,
+# but its not directly used.
+[package.metadata.cargo-machete]
+ignored = "serde_json"
diff --git a/datafusion-cli/tests/snapshots/cli_explain_environment_overrides@explain_plan_environment_overrides.snap b/datafusion-cli/tests/snapshots/cli_explain_environment_overrides@explain_plan_environment_overrides.snap
index 1359cefbe71c..5f43ca88dc9d 100644
--- a/datafusion-cli/tests/snapshots/cli_explain_environment_overrides@explain_plan_environment_overrides.snap
+++ b/datafusion-cli/tests/snapshots/cli_explain_environment_overrides@explain_plan_environment_overrides.snap
@@ -18,19 +18,19 @@ exit_code: 0
 | logical_plan | [                                       |
 |              |   {                                     |
 |              |     "Plan": {                           |
-|              |       "Expressions": [                  |
-|              |         "Int64(123)"                    |
-|              |       ],                                |
 |              |       "Node Type": "Projection",        |
-|              |       "Output": [                       |
+|              |       "Expressions": [                  |
 |              |         "Int64(123)"                    |
 |              |       ],                                |
 |              |       "Plans": [                        |
 |              |         {                               |
 |              |           "Node Type": "EmptyRelation", |
-|              |           "Output": [],                 |
-|              |           "Plans": []                   |
+|              |           "Plans": [],                  |
+|              |           "Output": []                  |
 |              |         }                               |
+|              |       ],                                |
+|              |       "Output": [                       |
+|              |         "Int64(123)"                    |
 |              |       ]                                 |
 |              |     }                                   |
 |              |   }                                     |