diff --git a/Modules/_decimal/_decimal.c b/Modules/_decimal/_decimal.c
index e7c44ac..5200b1a 100644
--- a/Modules/_decimal/_decimal.c
+++ b/Modules/_decimal/_decimal.c
@@ -4138,6 +4138,7 @@
 Dec_BoolFunc(mpd_issnan)
 Dec_BoolFunc(mpd_issigned)
 Dec_BoolFunc(mpd_iszero)
+Dec_BoolFunc(mpd_isinteger)
 
 /* Boolean functions, optional context arg */
 Dec_BoolFuncVA(mpd_isnormal)
@@ -4772,6 +4773,7 @@
   { "is_snan", dec_mpd_issnan, METH_NOARGS, doc_is_snan },
   { "is_signed", dec_mpd_issigned, METH_NOARGS, doc_is_signed },
   { "is_zero", dec_mpd_iszero, METH_NOARGS, doc_is_zero },
+  { "is_integer", dec_mpd_isinteger, METH_NOARGS, doc_is_integer},
 
   /* Boolean functions, optional context arg */
   { "is_normal", (PyCFunction)(void(*)(void))dec_mpd_isnormal, METH_VARARGS|METH_KEYWORDS, doc_is_normal },
@@ -5183,6 +5185,7 @@
 DecCtx_BoolFunc_NO_CTX(mpd_issigned)
 DecCtx_BoolFunc_NO_CTX(mpd_issnan)
 DecCtx_BoolFunc_NO_CTX(mpd_iszero)
+DecCtx_BoolFunc_NO_CTX(mpd_isinteger)
 
 static PyObject *
 ctx_iscanonical(PyObject *context UNUSED, PyObject *v)
@@ -5464,6 +5467,7 @@
   { "is_snan", ctx_mpd_issnan, METH_O, doc_ctx_is_snan },
   { "is_subnormal", ctx_mpd_issubnormal, METH_O, doc_ctx_is_subnormal },
   { "is_zero", ctx_mpd_iszero, METH_O, doc_ctx_is_zero },
+  { "is_integer", ctx_mpd_isinteger, METH_O, doc_ctx_is_integer },
 
   /* Functions with a single decimal argument */
   { "_apply", PyDecContext_Apply, METH_O, NULL }, /* alias for apply */
@@ -6097,5 +6101,3 @@
 
     return NULL; /* GCOV_NOT_REACHED */
 }
-
-
diff --git a/Modules/_decimal/docstrings.h b/Modules/_decimal/docstrings.h
index f7fd6e7..bd602ab 100644
--- a/Modules/_decimal/docstrings.h
+++ b/Modules/_decimal/docstrings.h
@@ -260,6 +260,11 @@
 otherwise.\n\
 \n");
 
+PyDoc_STRVAR(doc_is_integer,
+"is_integer($self, /)\n--\n\n\
+Return True if the argument is finite and integral, otherwise False.\n\
+\n");
+
 PyDoc_STRVAR(doc_ln,
 "ln($self, /, context=None)\n--\n\n\
 Return the natural (base e) logarithm of the operand. The function always\n\
@@ -685,6 +690,11 @@
 Return True if x is a zero, False otherwise.\n\
 \n");
 
+PyDoc_STRVAR(doc_ctx_is_integer,
+"is_integer($self, x, /)\n--\n\n\
++Return True if x is finite and integral, False otherwise.\n\
++\n");
+
 PyDoc_STRVAR(doc_ctx_ln,
 "ln($self, x, /)\n--\n\n\
 Return the natural (base e) logarithm of x.\n\
@@ -879,6 +889,3 @@
 
 
 #endif /* DOCSTRINGS_H */
-
-
-