diff --git a/README.md b/README.md
index 3f7f1004860e15d72d9c91c3a3b010c557f47abb..9d5ec4aeaaba24f97227a791f1a0e653488288d0 100644
--- a/README.md
+++ b/README.md
@@ -257,8 +257,8 @@ cp slicot.a /home/$USER/dynare/slicot/lib/libslicot_pic.a
 # compile x13as from source and put it into /usr/bin/
 mkdir -p /home/$USER/dynare/x13as
 cd /home/$USER/dynare/x13as
-wget https://www2.census.gov/software/x-13arima-seats/x13as/unix-linux/program-archives/x13as_asciisrc-v1-1-b60.tar.gz
-tar xf x13as_asciisrc-v1-1-b60.tar.gz
+wget https://www2.census.gov/software/x-13arima-seats/x13as/unix-linux/program-archives/x13as_asciisrc-v1-1-b61.tar.gz
+tar xf x13as_asciisrc-v1-1-b61.tar.gz
 sed -i "s|-static| |" makefile.gf # this removes '-static' in the makefile.gf
 make -f makefile.gf FFLAGS="-O2 -std=legacy" PROGRAM=x13as
 sudo cp x13as /usr/bin/
@@ -455,8 +455,8 @@ cp slicot.a $DYNAREDIR/slicot/lib/libslicot64_pic.a
 ```sh
 mkdir -p $DYNAREDIR/x13as
 cd $DYNAREDIR/x13as
-curl -O https://www2.census.gov/software/x-13arima-seats/x13as/unix-linux/program-archives/x13as_asciisrc-v1-1-b60.tar.gz
-tar xf x13as_asciisrc-v1-1-b60.tar.gz
+curl -O https://www2.census.gov/software/x-13arima-seats/x13as/unix-linux/program-archives/x13as_asciisrc-v1-1-b61.tar.gz
+tar xf x13as_asciisrc-v1-1-b61.tar.gz
 sed -i '' 's/-static//g' makefile.gf
 make -j$(sysctl -n hw.ncpu) -f makefile.gf FC=$BREWDIR/bin/gfortran LINKER=$BREWDIR/bin/gcc-14 FFLAGS="-O2 -std=legacy" LDFLAGS=-static-libgcc LIBS="$BREWDIR/lib/gcc/current/libgfortran.a /$BREWDIR/lib/gcc/current/libquadmath.a" PROGRAM=x13as
 sudo cp $DYNAREDIR/x13as/x13as /usr/local/bin/x13as
diff --git a/macOS/deps/versions.mk b/macOS/deps/versions.mk
index 66ea809b81468e826dc97e57348a87b89dd4058a..5eb389b12ed5cf3bddc2fdda1973b87ad207aa45 100644
--- a/macOS/deps/versions.mk
+++ b/macOS/deps/versions.mk
@@ -1,2 +1,2 @@
 SLICOT_VERSION = 5.9
-X13AS_VERSION = 1-1-b60
+X13AS_VERSION = 1-1-b61
diff --git a/windows/deps/versions.mk b/windows/deps/versions.mk
index 5fa214b77aabff834182b81464e414792178db77..53f94fa7c8f6452cb45bd3c5e6e6d7056e1de385 100644
--- a/windows/deps/versions.mk
+++ b/windows/deps/versions.mk
@@ -1,5 +1,5 @@
 SLICOT_VERSION = 5.9
-X13AS_VERSION = 1-1-b60
+X13AS_VERSION = 1-1-b61
 
 OCTAVE_VERSION = 9.2.0
 OCTAVE_W64_BUILD =