diff --git a/recipes/fastk/build.sh b/recipes/fastk/build.sh
index c198ff512ee83..5faab284224fd 100644
--- a/recipes/fastk/build.sh
+++ b/recipes/fastk/build.sh
@@ -1,16 +1,19 @@
 #!/bin/bash
+
+set -xe
+
 export LDFLAGS="-L$SRC_DIR/HTSLIB -L$PREFIX/lib"
 export CFLAGS="-I$SRC_DIR -I$SRC_DIR/HTSLIB -I$SRC_DIR/LIBDEFLATE -I$SRC_DIR/LIBDEFLATE/common -I$PREFIX/include -L$SRC_DIR/HTSLIB -L$PREFIX/lib"
 export CPPFLAGS="-I$SRC_DIR -I$SRC_DIR/HTSLIB -I$SRC_DIR/LIBDEFLATE -I$SRC_DIR/LIBDEFLATE/common -I$PREFIX/include -L$SRC_DIR/HTSLIB -L$PREFIX/lib"
 
 # build HTSLIB
 cd HTSLIB
-make lib-static
+make -j"${CPU_COUNT}" lib-static
 cd -
 # build LIBDEFLATE
 cd LIBDEFLATE
-make
+make -j"${CPU_COUNT}"
 cd -
 # build fastk
-make
+make -j"${CPU_COUNT}"
 make install
diff --git a/recipes/fastk/meta.yaml b/recipes/fastk/meta.yaml
index 74ea8e5805c91..a3a85c9b9151d 100644
--- a/recipes/fastk/meta.yaml
+++ b/recipes/fastk/meta.yaml
@@ -13,7 +13,7 @@ source:
     - patch
 
 build:
-  number: 0
+  number: 1
   skip: true # [osx]
   run_exports:
     - {{ pin_subpackage("fastk", max_pin="x") }}
@@ -36,3 +36,7 @@ about:
   license: https://github.com/thegenemyers/FASTK/blob/master/LICENSE
   summary: FastK is a k‑mer counter that is optimized for processing high quality DNA assembly data sets such as those produced with an Illumina instrument or a PacBio run in HiFi mode.
   home: https://github.com/thegenemyers/FASTK
+
+extra:
+  additional-platforms:
+    - linux-aarch64
\ No newline at end of file
diff --git a/recipes/merquryfk/build.sh b/recipes/merquryfk/build.sh
index 9f9bb40388aae..1a36f7f00fc94 100644
--- a/recipes/merquryfk/build.sh
+++ b/recipes/merquryfk/build.sh
@@ -1,8 +1,11 @@
 #!/bin/bash
+
+set -xe
+
 export LDFLAGS="$LDFLAGS -L$PREFIX/lib"
 export CPATH=${PREFIX}/include
 
-make
+make -j"${CPU_COUNT}"
 mkdir -p $PREFIX/bin
 
 cp HAPmaker  $PREFIX/bin
diff --git a/recipes/merquryfk/meta.yaml b/recipes/merquryfk/meta.yaml
index b9b8a27e24ca9..97923a411e0ae 100644
--- a/recipes/merquryfk/meta.yaml
+++ b/recipes/merquryfk/meta.yaml
@@ -13,7 +13,7 @@ source:
     - patch
 
 build:
-  number: 0
+  number: 1
   skip: True # [osx]
   run_exports:
     - {{ pin_subpackage("merquryfk", max_pin="x") }}
@@ -50,3 +50,7 @@ about:
   license: https://github.com/thegenemyers/MERQURY.FK/blob/main/LICENSE
   summary: MerquryFK replaces meryl with the FastK k-mer counter suite to considerably speed up analyses.
   home: https://github.com/thegenemyers/MERQURY.FK
+
+extra:
+  additional-platforms:
+    - linux-aarch64
\ No newline at end of file