diff --git a/math/glpk/Makefile b/math/glpk/Makefile
index ad63ac3be9cd..d7d6f8408d0f 100644
--- a/math/glpk/Makefile
+++ b/math/glpk/Makefile
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	glpk
-PORTVERSION=	4.39
+PORTVERSION=	4.42
 CATEGORIES=	math
 MASTER_SITES=	${MASTER_SITE_GNU}
 MASTER_SITE_SUBDIR=	glpk
@@ -55,12 +55,12 @@ post-patch:
 	${WRKSRC}/configure
 
 .if !defined(NOPORTDOCS)
-PORTDOCS=	bench.txt bench1.txt bench2.txt glpk.pdf glpk_faq.txt gmpl.pdf \
-		opb.txt tables.pdf dfeas.djvu gomory.djvu scaling.djvu \
-		subset.djvu updating.djvu
+PORTDOCS=	glpk.pdf glpk_faq.txt gmpl.pdf graphs.pdf miplib2.txt miplib3.txt \
+		netlib.txt opb.txt tables.pdf dfeas.pdf gomory.pdf keller.pdf prepro.pdf \
+		scaling.pdf subset.pdf updating.pdf
 
 post-install:
-	@${CP} ${WRKSRC}/doc/notes/*.djvu ${WRKSRC}/doc/
+	@${CP} ${WRKSRC}/doc/notes/*.pdf ${WRKSRC}/doc/
 	@${MKDIR} ${DOCSDIR}
 	for docfile in ${PORTDOCS} ; do \
 		${INSTALL_MAN} ${WRKSRC}/doc/$${docfile} ${DOCSDIR} ; \
diff --git a/math/glpk/distinfo b/math/glpk/distinfo
index dd9147aefa46..ab822239e437 100644
--- a/math/glpk/distinfo
+++ b/math/glpk/distinfo
@@ -1,3 +1,3 @@
-MD5 (glpk-4.39.tar.gz) = 95f276ef6c94c6de1eb689f161f525f3
-SHA256 (glpk-4.39.tar.gz) = 52f2065e9dd6203d0e1acab9498411372de04c5b6ce70a11fe46f1de3d23e91c
-SIZE (glpk-4.39.tar.gz) = 2446952
+MD5 (glpk-4.42.tar.gz) = 9091a60c4c44a16a149375f7a6cce158
+SHA256 (glpk-4.42.tar.gz) = 1eff071c990084ff2f7c7baae637f2f7c21bee00d30560c1010c88ad1dc30dfa
+SIZE (glpk-4.42.tar.gz) = 3193588
diff --git a/math/glpk/pkg-plist b/math/glpk/pkg-plist
index 4bc88a913e4e..8ea7dd9d3f86 100644
--- a/math/glpk/pkg-plist
+++ b/math/glpk/pkg-plist
@@ -3,4 +3,4 @@ include/glpk.h
 lib/libglpk.a
 lib/libglpk.la
 lib/libglpk.so
-lib/libglpk.so.24
+lib/libglpk.so.27