diff --git a/ChangeLog b/ChangeLog
index 5125c90..52645fc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -97,6 +97,9 @@ fuzzer: see http://lcamtuf.coredump.cx/afl/.
 24. Adjust the treatment of \8 and \9 to be the same as the current Perl 
 behaviour.
 
+25. Static linking against the PCRE2 library using the pkg-config module was
+failing on missing pthread symbols.
+
 
 Version 10.10 06-March-2015
 ---------------------------
diff --git a/libpcre2-16.pc.in b/libpcre2-16.pc.in
index f967459..978040d 100644
--- a/libpcre2-16.pc.in
+++ b/libpcre2-16.pc.in
@@ -9,4 +9,5 @@ Name: libpcre2-16
 Description: PCRE2 - Perl compatible regular expressions C library (2nd API) with 16 bit character support
 Version: @PACKAGE_VERSION@
 Libs: -L${libdir} -lpcre2-16
+Libs.private: @PTHREAD_CFLAGS@ @PTHREAD_LIBS@
 Cflags: -I${includedir} @PCRE2_STATIC_CFLAG@
diff --git a/libpcre2-32.pc.in b/libpcre2-32.pc.in
index ba90d18..d8fb187 100644
--- a/libpcre2-32.pc.in
+++ b/libpcre2-32.pc.in
@@ -9,4 +9,5 @@ Name: libpcre2-32
 Description: PCRE2 - Perl compatible regular expressions C library (2nd API) with 32 bit character support
 Version: @PACKAGE_VERSION@
 Libs: -L${libdir} -lpcre2-32
+Libs.private: @PTHREAD_CFLAGS@ @PTHREAD_LIBS@
 Cflags: -I${includedir} @PCRE2_STATIC_CFLAG@
diff --git a/libpcre2-8.pc.in b/libpcre2-8.pc.in
index 2367d96..5c872d0 100644
--- a/libpcre2-8.pc.in
+++ b/libpcre2-8.pc.in
@@ -9,4 +9,5 @@ Name: libpcre2-8
 Description: PCRE2 - Perl compatible regular expressions C library (2nd API) with 8 bit character support
 Version: @PACKAGE_VERSION@
 Libs: -L${libdir} -lpcre2-8
+Libs.private: @PTHREAD_CFLAGS@ @PTHREAD_LIBS@
 Cflags: -I${includedir} @PCRE2_STATIC_CFLAG@