diff --git a/NEWS.md b/NEWS.md
index f21eda0a9..2a0604068 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -18,6 +18,10 @@
   unsupported types as well as tracks for which all track header pages
   haven't been found. Fixes #3394.
 
+## Build system changes
+
+* libEBML 1.4.3 & libMatroska 1.7.0 are now required.
+
 
 # Version 70.0.0 "Caught A Lite Sneeze" 2022-08-14
 
diff --git a/README.md b/README.md
index fba4e49f0..4d81b0ac3 100644
--- a/README.md
+++ b/README.md
@@ -125,8 +125,8 @@ These libraries are:
 - [fmt](http://fmtlib.net/) — a small, safe and fast formatting
   library. Version 6.1.0 or later is required.
 
-- [libEBML v1.4.2](http://dl.matroska.org/downloads/libebml/) or later
-  and [libMatroska v1.6.3](http://dl.matroska.org/downloads/libmatroska/)
+- [libEBML v1.4.3](http://dl.matroska.org/downloads/libebml/) or later
+  and [libMatroska v1.7.0](http://dl.matroska.org/downloads/libmatroska/)
   or later for low-level access to Matroska files. Instructions on how to
   compile them are a bit further down in this file.
 
diff --git a/ac/matroska.m4 b/ac/matroska.m4
index d71580f65..8cf4e2b52 100644
--- a/ac/matroska.m4
+++ b/ac/matroska.m4
@@ -3,8 +3,8 @@ dnl Test for libEBML and libMatroska, and define MATROSKA_CFLAGS and MATROSKA_LI
 dnl
 
 EBML_MATROSKA_INTERNAL=no
-PKG_CHECK_MODULES([EBML],[libebml >= 1.4.2],[],[EBML_MATROSKA_INTERNAL=yes])
-PKG_CHECK_MODULES([MATROSKA],[libmatroska >= 1.6.3],[],[EBML_MATROSKA_INTERNAL=yes])
+PKG_CHECK_MODULES([EBML],[libebml >= 1.4.3],[],[EBML_MATROSKA_INTERNAL=yes])
+PKG_CHECK_MODULES([MATROSKA],[libmatroska >= 1.7.0],[],[EBML_MATROSKA_INTERNAL=yes])
 
 if test x"$EBML_MATROSKA_INTERNAL" = xyes; then
   if ! test -f lib/libebml/ebml/EbmlTypes.h ; then