3 files changed, 4 insertions, 4 deletions
diff --git a/src/SMAPI/Framework/ModLoading/Framework/BaseInstructionHandler.cs b/src/SMAPI/Framework/ModLoading/Framework/BaseInstructionHandler.cs
index 79fb45b8..fde37d68 100644
--- a/src/SMAPI/Framework/ModLoading/Framework/BaseInstructionHandler.cs
+++ b/src/SMAPI/Framework/ModLoading/Framework/BaseInstructionHandler.cs
@@ -18,7 +18,7 @@ namespace StardewModdingAPI.Framework.ModLoading.Framework
         public ISet<InstructionHandleResult> Flags { get; } = new HashSet<InstructionHandleResult>();
 
         /// <summary>The brief noun phrases indicating what the handler matched for the current module.</summary>
-        public ISet<string> Phrases { get; } = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
+        public ISet<string> Phrases { get; } = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
 
 
         /*********
diff --git a/src/SMAPI/Framework/ModLoading/ModMetadata.cs b/src/SMAPI/Framework/ModLoading/ModMetadata.cs
index 30701552..3ad1bd38 100644
--- a/src/SMAPI/Framework/ModLoading/ModMetadata.cs
+++ b/src/SMAPI/Framework/ModLoading/ModMetadata.cs
@@ -173,7 +173,7 @@ namespace StardewModdingAPI.Framework.ModLoading
         {
             return
                 this.HasID()
-                && string.Equals(this.Manifest.UniqueID.Trim(), id?.Trim(), StringComparison.InvariantCultureIgnoreCase);
+                && string.Equals(this.Manifest.UniqueID.Trim(), id?.Trim(), StringComparison.OrdinalIgnoreCase);
         }
 
         /// <summary>Get the defined update keys.</summary>
@@ -192,7 +192,7 @@ namespace StardewModdingAPI.Framework.ModLoading
         /// <param name="includeOptional">Whether to include optional dependencies.</param>
         public IEnumerable<string> GetRequiredModIds(bool includeOptional = false)
         {
-            HashSet<string> required = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
+            HashSet<string> required = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
 
             // yield dependencies
             if (this.Manifest?.Dependencies != null)
diff --git a/src/SMAPI/Framework/ModLoading/ModResolver.cs b/src/SMAPI/Framework/ModLoading/ModResolver.cs
index e73bc47d..8bbeb2a3 100644
--- a/src/SMAPI/Framework/ModLoading/ModResolver.cs
+++ b/src/SMAPI/Framework/ModLoading/ModResolver.cs
@@ -190,7 +190,7 @@ namespace StardewModdingAPI.Framework.ModLoading
             // validate IDs are unique
             {
                 var duplicatesByID = mods
-                    .GroupBy(mod => mod.Manifest?.UniqueID?.Trim(), mod => mod, StringComparer.InvariantCultureIgnoreCase)
+                    .GroupBy(mod => mod.Manifest?.UniqueID?.Trim(), mod => mod, StringComparer.OrdinalIgnoreCase)
                     .Where(p => p.Count() > 1);
                 foreach (var group in duplicatesByID)
                 {