diff --git a/Sources/TOMLDecoder/DateTime.swift b/Sources/TOMLDecoder/DateTime.swift
index e38b5daa..8f3b09fa 100644
--- a/Sources/TOMLDecoder/DateTime.swift
+++ b/Sources/TOMLDecoder/DateTime.swift
@@ -431,8 +431,12 @@ extension String {
     }
 }
 
-#if canImport(Foundation)
+#if canImport(FoundationEssentials) || canImport(Foundation)
+#if canImport(FoundationEssentials)
+public import FoundationEssentials
+#else
 public import Foundation
+#endif
 
 extension DateComponents {
     /// Create a new `Foundation.DateComponents` from an offset date-time.
diff --git a/Sources/TOMLDecoder/Parsing/TOMLDocument.swift b/Sources/TOMLDecoder/Parsing/TOMLDocument.swift
index 189b94c4..90ec91ae 100644
--- a/Sources/TOMLDecoder/Parsing/TOMLDocument.swift
+++ b/Sources/TOMLDecoder/Parsing/TOMLDocument.swift
@@ -1,4 +1,8 @@
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 
 struct TOMLDocument: Equatable, @unchecked Sendable {
     let tables: [InternalTOMLTable]
diff --git a/Sources/TOMLDecoder/TOMLDecoder.swift b/Sources/TOMLDecoder/TOMLDecoder.swift
index 68d570c9..be013445 100644
--- a/Sources/TOMLDecoder/TOMLDecoder.swift
+++ b/Sources/TOMLDecoder/TOMLDecoder.swift
@@ -1,4 +1,8 @@
+#if canImport(FoundationEssentials)
+public import FoundationEssentials
+#else
 public import Foundation
+#endif
 
 /// Convert data for a TOML document into `Codable` types.
 ///
diff --git a/Sources/TOMLDecoder/TOMLKeyedDecodingContainer.swift b/Sources/TOMLDecoder/TOMLKeyedDecodingContainer.swift
index d6d5e54b..c0c0a62f 100644
--- a/Sources/TOMLDecoder/TOMLKeyedDecodingContainer.swift
+++ b/Sources/TOMLDecoder/TOMLKeyedDecodingContainer.swift
@@ -1,6 +1,10 @@
-#if canImport(Foundation)
+#if canImport(FoundationEssentials) || canImport(Foundation)
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
 #endif
+#endif
 struct TOMLKeyedDecodingContainer<Key: CodingKey>: KeyedDecodingContainerProtocol {
     private let decoder: _TOMLDecoder
     private let table: TOMLTable
@@ -74,7 +78,7 @@ struct TOMLKeyedDecodingContainer<Key: CodingKey>: KeyedDecodingContainerProtoco
             decoder.codingPath.removeLast()
         }
         decoder.token = token
-        #if canImport(Foundation)
+        #if canImport(FoundationEssentials) || canImport(Foundation)
         // have to intercept these here otherwise Foundation will try to decode it as a float
         if type == Date.self {
             return try decoder.decode(Date.self) as! T
diff --git a/Sources/TOMLDecoder/TOMLSingleValueDecodingContainer.Generated.swift b/Sources/TOMLDecoder/TOMLSingleValueDecodingContainer.Generated.swift
index 9b0e765a..3aaab815 100644
--- a/Sources/TOMLDecoder/TOMLSingleValueDecodingContainer.Generated.swift
+++ b/Sources/TOMLDecoder/TOMLSingleValueDecodingContainer.Generated.swift
@@ -1,7 +1,11 @@
 //  WARNING: This file is generated from TOMLSingleValueDecodingContainer.swift.gyb
 //  Do not edit TOMLSingleValueDecodingContainer.swift directly.
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 
 extension _TOMLDecoder: SingleValueDecodingContainer {
     var context: TOMLKey {
diff --git a/Sources/TOMLDecoder/TOMLUnkeyedDecodingContainer.swift b/Sources/TOMLDecoder/TOMLUnkeyedDecodingContainer.swift
index f71c9ac3..c997d29c 100644
--- a/Sources/TOMLDecoder/TOMLUnkeyedDecodingContainer.swift
+++ b/Sources/TOMLDecoder/TOMLUnkeyedDecodingContainer.swift
@@ -1,6 +1,10 @@
-#if canImport(Foundation)
+#if canImport(FoundationEssentials) || canImport(Foundation)
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
 #endif
+#endif
 
 struct TOMLUnkeyedDecodingContainer: UnkeyedDecodingContainer {
     private let decoder: _TOMLDecoder
@@ -89,7 +93,7 @@ struct TOMLUnkeyedDecodingContainer: UnkeyedDecodingContainer {
         decoder.token = token
 
         // have to intercept these here otherwise Foundation will try to decode it as a float
-        #if canImport(Foundation)
+        #if canImport(FoundationEssentials) || canImport(Foundation)
         if type == Date.self {
             return try decoder.decode(Date.self) as! T
         } else if type == DateComponents.self {
diff --git a/Sources/TOMLDecoder/gyb/TOMLSingleValueDecodingContainer.swift.gyb b/Sources/TOMLDecoder/gyb/TOMLSingleValueDecodingContainer.swift.gyb
index 88010b7a..d99e71e9 100644
--- a/Sources/TOMLDecoder/gyb/TOMLSingleValueDecodingContainer.swift.gyb
+++ b/Sources/TOMLDecoder/gyb/TOMLSingleValueDecodingContainer.swift.gyb
@@ -13,7 +13,11 @@ native_types = [
 //  WARNING: This file is generated from ${template_name}
 //  Do not edit ${generated_file} directly.
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
 import Foundation
+#endif
 
 extension _TOMLDecoder: SingleValueDecodingContainer {
     var context: TOMLKey {