diff --git a/configure.ac b/configure.ac
index 4c1fee3..b7504aa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,7 +14,7 @@ dnl  WITHOUT ANY WARRANTY; without even the implied warranty of
 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 dnl  General Public License for more details.
 
-AC_INIT([falco], [1.2.2], [andrewds@usc.edu],
+AC_INIT([falco], [1.2.3], [andrewds@usc.edu],
         [falco], [https://github.com/smithlabcode/falco])
 dnl the config.h is not currently #included in the source, and only
 dnl used to keep command lines short.
diff --git a/src/FalcoConfig.cpp b/src/FalcoConfig.cpp
index b037df2..4358ace 100644
--- a/src/FalcoConfig.cpp
+++ b/src/FalcoConfig.cpp
@@ -35,7 +35,7 @@ using std::runtime_error;
 using std::istringstream;
 using std::cerr;
 
-const string FalcoConfig::FalcoVersion = "1.2.2";
+const string FalcoConfig::FalcoVersion = "1.2.3";
 
 /*********************************************************/
 /************** DEFAULT VALUES FOR FILES *****************/
diff --git a/test/md5sum.txt b/test/md5sum.txt
index e65545a..15b319f 100644
--- a/test/md5sum.txt
+++ b/test/md5sum.txt
@@ -1,30 +1,30 @@
-38091a895e40e0184489d6ac8374c772  test_output/SRR1853178_1/fastqc_data.txt
+9641ae08f984bde102d4292bcad56484  test_output/SRR1853178_1/fastqc_data.txt
 36df1dcab539ba4ef885239fc8524636  test_output/SRR1853178_1/summary.txt
-9f0558ee462ca26f033bf3334be900c7  test_output/SRR3897196_2/fastqc_data.txt
+c5b1d892705ee40353a5b88df5fc3a74  test_output/SRR3897196_2/fastqc_data.txt
 80cd130958bcb2219f1e5a07d06a3b6e  test_output/SRR3897196_2/summary.txt
-0e8b1e44e528f3ff6bbd78b716c50cf5  test_output/SRR9624732_1/fastqc_data.txt
+d60663e26511968865b3ed92a864fda8  test_output/SRR9624732_1/fastqc_data.txt
 a525d455b17eb6ba84cd2a60d281a2b0  test_output/SRR9624732_1/summary.txt
-8640ac5731000de092a50f80fd3bf125  test_output/SRR10143153_2/fastqc_data.txt
+053bb7a28541ac110116086ac6ea0cac  test_output/SRR10143153_2/fastqc_data.txt
 19f1811f324e4c44154f659bb6e22806  test_output/SRR10143153_2/summary.txt
-610b18e07ae5fe6a7848c6acee3bced4  test_output/SRR1772703.lite.1/fastqc_data.txt
+71e3964a9a610ebcb3207ea2a391b4be  test_output/SRR1772703.lite.1/fastqc_data.txt
 6403659cb0295ec05db9891e3e5e4f76  test_output/SRR1772703.lite.1/summary.txt
-9b32051f6d91d8bc9f43fbcacf84f13c  test_output/SRR9624732_2/fastqc_data.txt
+8d28c215efc4f2930a002c240fb14448  test_output/SRR9624732_2/fastqc_data.txt
 fefc5d746f853c14b5e00421ad1ec260  test_output/SRR9624732_2/summary.txt
-f7dc80b7d7ac627e0d76ec6821aea889  test_output/SRR10124060/fastqc_data.txt
+3942d27ab09f2db7f58a2ed4c904ac8a  test_output/SRR10124060/fastqc_data.txt
 1e228b1bb498eec2ca81ec2cc657a02d  test_output/SRR10124060/summary.txt
-c5df080c714b6212a20479d53f2ab0ee  test_output/SRR891268_2/fastqc_data.txt
+7c5f40be6a37ac4d99c39400b1f7ddb6  test_output/SRR891268_2/fastqc_data.txt
 20a8e50baace4c672622793874a3d7de  test_output/SRR891268_2/summary.txt
-83dc3a9c1737a46307a10727f6256d45  test_output/SRR9878537.lite.1/fastqc_data.txt
+e02e6043667560aacb39b4e956edc146  test_output/SRR9878537.lite.1/fastqc_data.txt
 e5c40997d4993c07e164ee5598c39cf9  test_output/SRR9878537.lite.1/summary.txt
-3f3ae0587e1429cb441638fb5e7f5f2f  test_output/SRR891268_1/fastqc_data.txt
+7807c0aeca3bf4fdb18309ce993f6e35  test_output/SRR891268_1/fastqc_data.txt
 69e7d0c53cd2e67117637c408b65333a  test_output/SRR891268_1/summary.txt
-6f9b119ef5f9ed7ed7b9bfac7a83b5bc  test_output/SRR6059706.lite.1/fastqc_data.txt
+54a383a9dd615f4130cbdab202829173  test_output/SRR6059706.lite.1/fastqc_data.txt
 a5545633e81fc57fd03ff6ff7ba4fb8f  test_output/SRR6059706.lite.1/summary.txt
-6608b952878698aec0de7f6cf389317d  test_output/SRR6387347/fastqc_data.txt
+21b11f43971f424267f6e32a880aaea9  test_output/SRR6387347/fastqc_data.txt
 a61f65047e76f93300967cf399d044de  test_output/SRR6387347/summary.txt
-48124de5e50eed6ead5778224e66359f  test_output/SRR3897196_1/fastqc_data.txt
+65519f6bcfd726b3219d7f646ad1d3b5  test_output/SRR3897196_1/fastqc_data.txt
 b736ee95d5c450ef5c0dda31957b6818  test_output/SRR3897196_1/summary.txt
-14779c29f82322162a7388b0ca39a6b2  test_output/SRR10143153_1/fastqc_data.txt
+109cf880b376fcfba44b9637dcc045a6  test_output/SRR10143153_1/fastqc_data.txt
 9ad191925d47a57d4f8b12f21ba0a7c3  test_output/SRR10143153_1/summary.txt
-467b97f4dfb2391a5717396d286dba26  test_output/SRR1853178_2/fastqc_data.txt
+dfebd8cc85b17f954fb14287a2dc8169  test_output/SRR1853178_2/fastqc_data.txt
 7645f17be12d149347dab6033aabdeb3  test_output/SRR1853178_2/summary.txt