diff --git a/converters/p5-Sereal-Decoder/Makefile b/converters/p5-Sereal-Decoder/Makefile
index 6bc037d7f681..2037071e4bfb 100644
--- a/converters/p5-Sereal-Decoder/Makefile
+++ b/converters/p5-Sereal-Decoder/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	Sereal-Decoder
-PORTVERSION=	3.015
+PORTVERSION=	4.004
 CATEGORIES=	converters perl5
 MASTER_SITES=	CPAN
 MASTER_SITE_SUBDIR=	CPAN:YVES
@@ -18,6 +18,7 @@ TEST_DEPENDS=	p5-Test-LongString>0:devel/p5-Test-LongString \
 
 USES=		perl5
 USE_PERL5=	configure
+MAKE_JOBS_UNSAFE=	yes
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/${SITE_ARCH_REL}/auto/Sereal/Decoder/Decoder.so
diff --git a/converters/p5-Sereal-Decoder/distinfo b/converters/p5-Sereal-Decoder/distinfo
index 4ece747f26c9..a1b1555b0f52 100644
--- a/converters/p5-Sereal-Decoder/distinfo
+++ b/converters/p5-Sereal-Decoder/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1472755452
-SHA256 (Sereal-Decoder-3.015.tar.gz) = 235f68ea0354b80a5d8aa4d3ade312dfa100f9f3de54c101f0367eb691385b47
-SIZE (Sereal-Decoder-3.015.tar.gz) = 373762
+TIMESTAMP = 1510523672
+SHA256 (Sereal-Decoder-4.004.tar.gz) = 5c3f9128e19082176b21dcad8f7c8574ed880d18222b7efb9b29a84d87bcb5a9
+SIZE (Sereal-Decoder-4.004.tar.gz) = 494146
diff --git a/converters/p5-Sereal-Encoder/Makefile b/converters/p5-Sereal-Encoder/Makefile
index 22367bd7e0cd..2218fce3928c 100644
--- a/converters/p5-Sereal-Encoder/Makefile
+++ b/converters/p5-Sereal-Encoder/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	Sereal-Encoder
-PORTVERSION=	3.015
+PORTVERSION=	4.004
 CATEGORIES=	converters perl5
 MASTER_SITES=	CPAN
 MASTER_SITE_SUBDIR=	CPAN:YVES
@@ -19,6 +19,7 @@ TEST_DEPENDS=	p5-Test-Deep>0:devel/p5-Test-Deep \
 
 USES=		perl5
 USE_PERL5=	configure
+MAKE_JOBS_UNSAFE=	yes
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/${SITE_ARCH_REL}/auto/Sereal/Encoder/Encoder.so
diff --git a/converters/p5-Sereal-Encoder/distinfo b/converters/p5-Sereal-Encoder/distinfo
index 3928b3c3d1ce..48e82c70dbf7 100644
--- a/converters/p5-Sereal-Encoder/distinfo
+++ b/converters/p5-Sereal-Encoder/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1472755441
-SHA256 (Sereal-Encoder-3.015.tar.gz) = b7b2eb1dac6489308aa2c4dfa3ac31d3d9139bc1a126e4741d11991531440855
-SIZE (Sereal-Encoder-3.015.tar.gz) = 383347
+TIMESTAMP = 1510523651
+SHA256 (Sereal-Encoder-4.004.tar.gz) = a58999e5b5af8c4b2f349293b2a82eb9ecbe09f86f375756a5a1e67451610119
+SIZE (Sereal-Encoder-4.004.tar.gz) = 500922
diff --git a/converters/p5-Sereal/Makefile b/converters/p5-Sereal/Makefile
index 1a4e36275a66..049122c25ab3 100644
--- a/converters/p5-Sereal/Makefile
+++ b/converters/p5-Sereal/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	Sereal
-PORTVERSION=	3.015
+PORTVERSION=	4.004
 CATEGORIES=	converters perl5
 MASTER_SITES=	CPAN
 MASTER_SITE_SUBDIR=	CPAN:YVES
diff --git a/converters/p5-Sereal/distinfo b/converters/p5-Sereal/distinfo
index 91b598210ae4..e51eec9ca931 100644
--- a/converters/p5-Sereal/distinfo
+++ b/converters/p5-Sereal/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1472755429
-SHA256 (Sereal-3.015.tar.gz) = e6d803c8f3b2c8cb59afe52806283a2381084de1054ccbe7e30f05dc7465c4a9
-SIZE (Sereal-3.015.tar.gz) = 192780
+TIMESTAMP = 1510523653
+SHA256 (Sereal-4.004.tar.gz) = f28044e0e2d80bae65382949f526888567ea98eedf212172a6b4bd6142b243ff
+SIZE (Sereal-4.004.tar.gz) = 193361