diff --git a/datetime/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/InstantDeserializer.java b/datetime/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/InstantDeserializer.java
index e52b585f..bc16044c 100644
--- a/datetime/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/InstantDeserializer.java
+++ b/datetime/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/InstantDeserializer.java
@@ -153,6 +153,9 @@ public class InstantDeserializer<T extends Temporal>
      */
     protected final boolean _alwaysAllowStringifiedDateTimestamps;
 
+    /**
+     * @since 2.16
+     */
     protected InstantDeserializer(Class<T> supportedType,
             DateTimeFormatter formatter,
             Function<TemporalAccessor, T> parsedToValue,
@@ -176,6 +179,24 @@ protected InstantDeserializer(Class<T> supportedType,
         _alwaysAllowStringifiedDateTimestamps = readNumericStringsAsTimestamp;
     }
 
+    /**
+     * @deprecated Since 2.16, use {@link #InstantDeserializer(Class,DateTimeFormatter,
+     * Function,Function,Function,BiFunction,boolean,boolean,boolean)} instead.
+     */
+    @Deprecated()
+    protected InstantDeserializer(Class<T> supportedType,
+                                  DateTimeFormatter formatter,
+                                  Function<TemporalAccessor, T> parsedToValue,
+                                  Function<FromIntegerArguments, T> fromMilliseconds,
+                                  Function<FromDecimalArguments, T> fromNanoseconds,
+                                  BiFunction<T, ZoneId, T> adjust,
+                                  boolean replaceZeroOffsetAsZ
+    ) {
+        this(supportedType, formatter, parsedToValue, fromMilliseconds, fromNanoseconds,
+                adjust, replaceZeroOffsetAsZ,
+                DEFAULT_NORMALIZE_ZONE_ID, DEFAULT_ALWAYS_ALLOW_STRINGIFIED_DATE_TIMESTAMPS);
+    }
+
     @SuppressWarnings("unchecked")
     protected InstantDeserializer(InstantDeserializer<T> base, DateTimeFormatter f)
     {
diff --git a/release-notes/CREDITS-2.x b/release-notes/CREDITS-2.x
index 1fdeb01e..244e837d 100644
--- a/release-notes/CREDITS-2.x
+++ b/release-notes/CREDITS-2.x
@@ -185,3 +185,8 @@ M.P. Korstanje (mpkorstanje@github)
  * Contributed #263: Add `JavaTimeFeature.ALWAYS_ALLOW_STRINGIFIED_TIMESTAMPS` to allow parsing
    quoted numbers when using a custom DateTimeFormatter
   (2.16.0)
+
+Harald Kuhr (haraldk@github)
+ * Reported #286: Breaking change in `InstantDeserializer API between 2.15 and 2.16
+  (2.16.1)
+
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index 7b22977f..e367151e 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -10,6 +10,8 @@ Modules:
 
 2.16.1 (not yet released)
 
+#286: Breaking change in `InstantDeserializer API between 2.15 and 2.16
+ (reported by Harald K)
 #288: `LocalDateTime` serialization issue with custom-configured
   `LocalDateTimeSerializer`
  (reported by @mklinkj)