diff --git a/sources b/sources
index d7150ae..147ef88 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (sqlite-doc-3300100.zip) = 373e843015307071443a0db5fb930f9120718f6118cc2e21b506fdc8535fbe6996e9889e8b5809ffb91257addfe778bdf3412a81e11f6bced2c5e0330337d00d
-SHA512 (sqlite-autoconf-3300100.tar.gz) = 9ec0283c417fb0323b0e43550af2a49e9a63988e4212c27ea62cc9da3534caa6faf5bdc7e051b6772c4ce61560a433b3d3288b68e05e9ba8495f61a3bcebda3e
-SHA512 (sqlite-src-3300100.zip) = f40236d0bb25f3ea01a1192dace3b6732fb671fbdabb7cfa8d0cc2b99d21aef00ae380999fdee904501cb03304644cddfb2506951f36a2f6a83693f311c3c11d
+SHA512 (sqlite-src-3310100.zip) = af92a00877bcd90372d6f83a27fea12b4fe8d1155b223a6bccbccc31bb8e3d2269cd9e68f329bc55f70d1068ccbf220ff5abccea6f593fd7a3a4bdd732d1cdbe
+SHA512 (sqlite-doc-3310100.zip) = 5572e2c2dac30c014ef9cd60a620b7a7bb610f91a47e2890c0641540d39b9d5ce0e914ee697583130317633918b7827e2612a7cbc024f5bd6aa22ad28a78b56b
+SHA512 (sqlite-autoconf-3310100.tar.gz) = d85250ba5f78f0c918880f663741709aba662192f04888b2324a0df17affdf5b8540e8428c6c7315119806e7adad758ea281c9b403c0ad94ac6a9bd1b93fd617
diff --git a/sqlite-3.30.1-CVE-2019-19926.patch b/sqlite-3.30.1-CVE-2019-19926.patch
deleted file mode 100644
index d54f8a0..0000000
--- a/sqlite-3.30.1-CVE-2019-19926.patch
+++ /dev/null
@@ -1,11 +0,0 @@
-diff -up sqlite-src-3300100/src/select.c.CVE-2019-19926 sqlite-src-3300100/src/select.c
---- sqlite-src-3300100/src/select.c.CVE-2019-19926	2020-01-09 16:20:12.809275851 -0500
-+++ sqlite-src-3300100/src/select.c	2020-01-09 16:20:55.935523511 -0500
-@@ -2805,6 +2805,7 @@ static int multiSelect(
-     }
-   #endif
-   }
-+  if( pParse->nErr ) goto multi_select_end;
-   
-   /* Compute collating sequences used by 
-   ** temporary tables needed to implement the compound select.
diff --git a/sqlite-3.31.1-modify-tests-BE.patch b/sqlite-3.31.1-modify-tests-BE.patch
new file mode 100644
index 0000000..2e76a09
--- /dev/null
+++ b/sqlite-3.31.1-modify-tests-BE.patch
@@ -0,0 +1,69 @@
+From 9048693a09416ead7c8df98234c4ab82e7748d33 Mon Sep 17 00:00:00 2001
+From: Ondrej Dubaj <odubaj@redhat.com>
+Date: Wed, 5 Feb 2020 07:33:00 +0100
+Subject: [PATCH] Modify a couple of FTS test cases so that they work on
+ big-endian platforms.
+
+---
+ ext/fts5/test/fts5matchinfo.test | 11 +++++++----
+ test/fts4aa.test                 |  7 ++++++-
+ 2 files changed, 13 insertions(+), 5 deletions(-)
+
+diff --git a/ext/fts5/test/fts5matchinfo.test b/ext/fts5/test/fts5matchinfo.test
+index d8d8d84..5706933 100644
+--- a/ext/fts5/test/fts5matchinfo.test
++++ b/ext/fts5/test/fts5matchinfo.test
+@@ -500,14 +500,18 @@ do_execsql_test 15.0 {
+   INSERT INTO t1 VALUES('c', 'd');
+ }
+ 
++if {$tcl_platform(byteOrder)=="littleEndian"} {
++  set res {X'02000000'}
++} else {
++  set res {X'00000002'}
++}
+ do_execsql_test 15.1 {
+   SELECT quote(matchinfo(t1, 'n')) FROM t1 LIMIT 1;
+-} {X'02000000'}
+-
++} $res
+ do_execsql_test 15.2 {
+   DELETE FROM t1_content WHERE rowid=1;
+   SELECT quote(matchinfo(t1, 'n')) FROM t1 LIMIT 1;
+-} {X'02000000'}
++} $res
+ 
+ fts5_aux_test_functions db
+ do_execsql_test 15.3 {
+@@ -517,4 +521,3 @@ do_execsql_test 15.3 {
+ }
+ 
+ finish_test
+-
+diff --git a/test/fts4aa.test b/test/fts4aa.test
+index 7349841..112d60a 100644
+--- a/test/fts4aa.test
++++ b/test/fts4aa.test
+@@ -229,13 +229,18 @@ do_catchsql_test fts4aa-5.70 {
+ # 2019-11-18 https://bugs.chromium.org/p/chromium/issues/detail?id=1025467
+ db close
+ sqlite3 db :memory:
++if {$tcl_platform(byteOrder)=="littleEndian"} {
++  set res {X'0200000000000000000000000E0000000E00000001000000010000000100000001000000'}
++} else {
++  set res {X'0000000200000000000000000000000E0000000E00000001000000010000000100000001'}
++}
+ do_execsql_test fts4aa-6.10 {
+   CREATE VIRTUAL TABLE f USING fts4();
+   INSERT INTO f_segdir VALUES (77,91,0,0,'255 77',x'0001308000004d5c4ddddddd4d4d7b4d4d4d614d8019ff4d05000001204d4d2e4d6e4d4d4d4b4d6c4d004d4d4d4d4d4d3d000000004d5d4d4d645d4d004d4d4d4d4d4d4d4d4d454d6910004d05ffff054d646c4d004d5d4d4d4d4d3d000000004d4d4d4d4d4d4d4d4d4d4d69624d4d4d04004d4d4d4d4d604d4ce1404d554d45');
+   INSERT INTO f_segdir VALUES (77,108,0,0,'255 77',x'0001310000fa64004d4d4d3c5d4d654d4d4d614d8000ff4d05000001204d4d2e4d6e4d4d4dff4d4d4d4d4d4d00104d4d4d4d000000004d4d4d0400311d4d4d4d4d4d4d4d4d4d684d6910004d05ffff054d4d6c4d004d4d4d4d4d4d3d000000004d4d4d4d644d4d4d4d4d4d69624d4d4d03ed4d4d4d4d4d604d4ce1404d550080');
+   INSERT INTO f_stat VALUES (0,x'80808080100000000064004d4d4d3c4d4d654d4d4d614d8000ff4df6ff1a00204d4d2e4d6e4d4d4d104d4d4d4d4d4d00104d4d4d4d4d4d69574d4d4d000031044d4d4d3e4d4d4c4d05004d6910');
+   SELECT quote(matchinfo(f,'pnax')) from f where f match '0 1';
+-} {X'0200000000000000000000000E0000000E00000001000000010000000100000001000000'}
++} $res
+ 
+ # 2019-11-18 Detect infinite loop in fts3SelectLeaf()
+ db close
+-- 
+2.19.1
+
diff --git a/sqlite-3.31.1-s390-arch-compatibibility.patch b/sqlite-3.31.1-s390-arch-compatibibility.patch
new file mode 100644
index 0000000..d234169
--- /dev/null
+++ b/sqlite-3.31.1-s390-arch-compatibibility.patch
@@ -0,0 +1,120 @@
+From afbd5f941b1167661ed68077cd075bd8bbce378e Mon Sep 17 00:00:00 2001
+From: Ondrej Dubaj <odubaj@redhat.com>
+Date: Wed, 29 Jan 2020 08:15:03 +0100
+Subject: [PATCH] Minor change for compatibility with the s390 architecture.
+
+---
+ src/insert.c         |  4 +++-
+ src/parse.y          |  6 ++++++
+ src/test_multiplex.c |  2 +-
+ src/vdbeaux.c        |  5 ++++-
+ test/in.test         | 22 ++++++++++++++--------
+ 5 files changed, 28 insertions(+), 11 deletions(-)
+
+diff --git a/src/insert.c b/src/insert.c
+index 93f22a8..7a04b98 100644
+--- a/src/insert.c
++++ b/src/insert.c
+@@ -2170,12 +2170,14 @@ void sqlite3GenerateConstraintChecks(
+             x = *sqlite3VdbeGetOp(v, addrConflictCk);
+             if( x.opcode!=OP_IdxRowid ){
+               int p2;      /* New P2 value for copied conflict check opcode */
++              const char *zP4;
+               if( sqlite3OpcodeProperty[x.opcode]&OPFLG_JUMP ){
+                 p2 = lblRecheckOk;
+               }else{
+                 p2 = x.p2;
+               }
+-              sqlite3VdbeAddOp4(v, x.opcode, x.p1, p2, x.p3, x.p4.z, x.p4type);
++              zP4 = x.p4type==P4_INT32 ? SQLITE_INT_TO_PTR(x.p4.i) : x.p4.z;
++              sqlite3VdbeAddOp4(v, x.opcode, x.p1, p2, x.p3, zP4, x.p4type);
+               sqlite3VdbeChangeP5(v, x.p5);
+               VdbeCoverageIf(v, p2!=x.p2);
+             }
+diff --git a/src/parse.y b/src/parse.y
+index 5876a1a..c783c69 100644
+--- a/src/parse.y
++++ b/src/parse.y
+@@ -1193,6 +1193,12 @@ expr(A) ::= expr(A) between_op(N) expr(X) AND expr(Y). [BETWEEN] {
+       */
+       sqlite3ExprUnmapAndDelete(pParse, A);
+       A = sqlite3Expr(pParse->db, TK_INTEGER, N ? "1" : "0");
++    }else if( 0 && Y->nExpr==1 && sqlite3ExprIsConstant(Y->a[0].pExpr) ){
++      Expr *pRHS = Y->a[0].pExpr;
++      Y->a[0].pExpr = 0;
++      sqlite3ExprListDelete(pParse->db, Y);
++      A = sqlite3PExpr(pParse, TK_EQ, A, pRHS);
++      if( N ) A = sqlite3PExpr(pParse, TK_NOT, A, 0);
+     }else{
+       A = sqlite3PExpr(pParse, TK_IN, A, 0);
+       if( A ){
+diff --git a/src/test_multiplex.c b/src/test_multiplex.c
+index ed8c9f7..56e78c3 100644
+--- a/src/test_multiplex.c
++++ b/src/test_multiplex.c
+@@ -530,7 +530,7 @@ static int multiplexOpen(
+         pGroup->szChunk += 65536;
+       }
+     }
+-    pGroup->flags = flags;
++    pGroup->flags = (flags & ~SQLITE_OPEN_URI);
+     rc = multiplexSubFilename(pGroup, 1);
+     if( rc==SQLITE_OK ){
+       pSubOpen = multiplexSubOpen(pGroup, 0, &rc, pOutFlags, 0);
+diff --git a/src/vdbeaux.c b/src/vdbeaux.c
+index fab8b70..c38a4f7 100644
+--- a/src/vdbeaux.c
++++ b/src/vdbeaux.c
+@@ -4726,7 +4726,10 @@ static int vdbeRecordCompareString(
+ 
+   assert( pPKey2->aMem[0].flags & MEM_Str );
+   vdbeAssertFieldCountWithinLimits(nKey1, pKey1, pPKey2->pKeyInfo);
+-  getVarint32(&aKey1[1], serial_type);
++  serial_type = (u8)(aKey1[1]);
++  if( serial_type >= 0x80 ){
++    sqlite3GetVarint32(&aKey1[1], (u32*)&serial_type);
++  }
+   if( serial_type<12 ){
+     res = pPKey2->r1;      /* (pKey1/nKey1) is a number or a null */
+   }else if( !(serial_type & 0x01) ){ 
+diff --git a/test/in.test b/test/in.test
+index 4595d5f..a1fe1d2 100644
+--- a/test/in.test
++++ b/test/in.test
+@@ -765,19 +765,25 @@ do_execsql_test in-18.1 {
+ #
+ # Also ticket https://sqlite.org/src/info/29f635e0af71234b
+ #
+-do_execsql_test in-19.1 {
++do_execsql_test in-19.10 {
+   DROP TABLE IF EXISTS t0;
+   CREATE TABLE t0(c0 REAL UNIQUE);
+-  INSERT INTO t0(c0) VALUES(2.07093491255203046E18);
+-  SELECT 1 FROM t0 WHERE c0 IN ('2070934912552030444');
++  INSERT INTO t0(c0) VALUES(2.0625E00);
++  SELECT 1 FROM t0 WHERE c0 IN ('2.0625');
+ } {1}
+-do_execsql_test in-19.2 {
+-  SELECT c0 IN ('2070934912552030444') FROM t0;
++do_execsql_test in-19.20 {
++  SELECT c0 IN ('2.0625') FROM t0;
+ } {1}
+-do_execsql_test in-19.3 {
+-  SELECT c0 IN ('2070934912552030444',2,3) FROM t0;
++do_execsql_test in-19.21 {
++  SELECT c0 = ('2.0625') FROM t0;
+ } {1}
+-do_execsql_test in-19.4 {
++do_execsql_test in-19.22 {
++  SELECT c0 = ('0.20625e+01') FROM t0;
++} {1}
++do_execsql_test in-19.30 {
++  SELECT c0 IN ('2.0625',2,3) FROM t0;
++} {1}
++do_execsql_test in-19.40 {
+   DROP TABLE t0;
+   CREATE TABLE t0(c0 TEXT, c1 REAL, c2, PRIMARY KEY(c2, c0, c1));
+   CREATE INDEX i0 ON t0(c1 IN (c0));
+-- 
+2.19.1
+
diff --git a/sqlite.spec b/sqlite.spec
index f179520..b204ff1 100644
--- a/sqlite.spec
+++ b/sqlite.spec
@@ -4,20 +4,21 @@
 %bcond_with static
 %bcond_without check
 
-%define realver 3300100
-%define docver 3300100
-%define rpmver 3.30.1
+%define realver 3310100
+%define docver 3310100
+%define rpmver 3.31.1
+%define year 2020
 
 Summary: Library that implements an embeddable SQL database engine
 Name: sqlite
 Version: %{rpmver}
-Release: 4%{?dist}
+Release: 1%{?dist}
 License: Public Domain
 URL: http://www.sqlite.org/
 
-Source0: http://www.sqlite.org/2019/sqlite-src-%{realver}.zip
-Source1: http://www.sqlite.org/2019/sqlite-doc-%{docver}.zip
-Source2: http://www.sqlite.org/2019/sqlite-autoconf-%{realver}.tar.gz
+Source0: http://www.sqlite.org/%{year}/sqlite-src-%{realver}.zip
+Source1: http://www.sqlite.org/%{year}/sqlite-doc-%{docver}.zip
+Source2: http://www.sqlite.org/%{year}/sqlite-autoconf-%{realver}.tar.gz
 # Support a system-wide lemon template
 Patch1: sqlite-3.6.23-lemon-system-template.patch
 # sqlite >= 3.7.10 is buggy if malloc_usable_size() is detected, disable it:
@@ -30,9 +31,15 @@ Patch3: sqlite-3.8.0-percentile-test.patch
 Patch4: sqlite-3.16-datetest-2.2c.patch
 # Modify sync2.test to pass with DIRSYNC turned off
 Patch5: sqlite-3.18.0-sync2-dirsync.patch
-# Apply upstream fix for CVE-2019-19880
-# https://github.com/sqlite/sqlite/commit/8428b3b437569338a9d1e10c4cd8154acbe33089
-Patch6: sqlite-3.30.1-CVE-2019-19926.patch
+# Resolving s390 arch incompatibility
+# https://github.com/sqlite/sqlite/commit/b9f2e5f7774cee2282c2b0980bc29233e643200f
+# https://github.com/sqlite/sqlite/commit/4b2f45be3426f18efbe251d39352e11e256b93e9
+# https://github.com/sqlite/sqlite/commit/fbfd113365bb001152adb9944e127e9620ec3738
+# https://github.com/sqlite/sqlite/commit/925ab5c17ef1061e2d9086e162e8381c4b2ebb2a
+Patch6: sqlite-3.31.1-s390-arch-compatibibility.patch
+# Modifying FTS tests to support big endian platforms
+# https://github.com/sqlite/sqlite/commit/9ca9a53a421920a412d4fdfd57303593c1ecf723
+Patch7: sqlite-3.31.1-modify-tests-BE.patch
 
 BuildRequires:  gcc
 BuildRequires: ncurses-devel readline-devel glibc-devel
@@ -141,6 +148,7 @@ This package contains the analysis program for %{name}.
 %endif
 %patch5 -p1
 %patch6 -p1
+%patch7 -p1
 
 # Remove backup-file
 rm -f %{name}-doc-%{docver}/sqlite.css~ || :
@@ -218,7 +226,7 @@ rm test/fts3conf.test
 %endif
 
 make test
-%endif # with check
+%endif #with check
 
 %ldconfig_scriptlets libs
 
@@ -260,6 +268,12 @@ make test
 %endif
 
 %changelog
+* Wed Feb 05 2020 Ondrej Dubaj <odubaj@redhat.com> - 3.31.1-1
+- Updated to version 3.31.1 (https://sqlite.org/releaselog/3_31_1.html)
+- updated spec file, deleted useless patches
+- Resolved s390 arch incompatibility
+- Modified FTS tests to support big endian platforms
+
 * Fri Jan 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 3.30.1-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild